In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix use-after-free in testdrv_probe() The function testdrv_probe() retrieves the device_node from the PCI device, applies an overlay, and then immediately calls of_node_put(dn). This releases the reference held by the PCI core, potentially freeing the node if the reference count drops to zero. Later, the same freed pointer 'dn' is passed to of_platform_default_populate(), leading to a use-after-free. The reference to pdev->dev.of_node is owned by the device model and should not be released by the driver. Remove the erroneous of_node_put() to prevent premature freeing.

The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8507-1 advisory.

    It was discovered that some AMD processors did not properly clear data in the floating point divider unit     during speculative execution. A local attacker could use this to expose sensitive information.
    (CVE-2025-54505)

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - ARM64 architecture;

    - x86 architecture;

    - Block layer subsystem;

    - Cryptographic API;

    - Rados block device (RBD) driver;

    - Compressed RAM block device driver;

    - Character device driver;

    - TPM device driver;

    - Hardware crypto device drivers;

    - EDAC drivers;

    - GPU drivers;

    - Greybus drivers;

    - HID subsystem;

    - Microsoft Hyper-V drivers;

    - Hardware monitoring drivers;

    - I2C subsystem;

    - IIO subsystem;

    - InfiniBand drivers;

    - Input Device core drivers;

    - LED subsystem;

    - Multiple devices driver;

    - Media drivers;

    - IBM Advanced System Management driver;

    - MTD block device drivers;

    - Network drivers;

    - Microsoft Azure Network Adapter (MANA) driver;

    - NTB driver;

    - NVME drivers;

    - Device tree and open firmware driver;

    - PCI subsystem;

    - Remote Processor subsystem;

    - SCSI subsystem;

    - SPI subsystem;

    - Realtek RTL8723BS SDIO drivers;

    - SM750 framebuffer staging driver;

    - Thermal drivers;

    - USB Gadget drivers;

    - USB over IP driver;

    - VFIO drivers;

    - Framebuffer layer;

    - 9P distributed file system;

    - AFS file system;

    - Ceph distributed file system;

    - File systems infrastructure;

    - EROFS file system;

    - Ext4 file system;

    - F2FS file system;

    - FUSE (File system in Userspace);

    - Journaling layer for block devices (JBD2);

    - NILFS2 file system;

    - File system notification infrastructure;

    - NTFS3 file system;

    - OCFS2 file system;

    - SMB network file system;

    - UDF file system;

    - XFS file system;

    - Codetag library;

    - Memory management;

    - Memory Management;

    - KVM subsystem;

    - Tracing infrastructure;

    - User-space API (UAPI);

    - io_uring subsystem;

    - Locking primitives;

    - Timer subsystem;

    - Scatterlist API;

    - Heterogeneous memory management;

    - KASAN memory debugging framework;

    - Bluetooth subsystem;

    - Ethernet bridge;

    - CAIF protocol;

    - CAN network layer;

    - Ceph Core library;

    - IPv4 networking;

    - IPv6 networking;

    - Multipath TCP;

    - Netfilter;

    - NFC subsystem;

    - Packet sockets;

    - Qualcomm IPC Router (QRTR);

    - RDS protocol;

    - RxRPC session sockets;

    - SMC sockets;

    - Stream parser;

    - Landlock security;

    - SELinux security module;

    - ALSA framework;

    - Generic PCM loopback sound driver;

    - FireWire sound drivers;

    - Creative Sound Blaster X-Fi driver;

    - QCOM ASoC drivers;

    - USB sound devices;

    - Objtool; (CVE-2026-31532, CVE-2026-31574, CVE-2026-31575, CVE-2026-31576, CVE-2026-31577,     CVE-2026-31578, CVE-2026-31579, CVE-2026-31580, CVE-2026-31581, CVE-2026-31582, CVE-2026-31583,     CVE-2026-31584, CVE-2026-31585, CVE-2026-31586, CVE-2026-31587, CVE-2026-31588, CVE-2026-31589,     CVE-2026-31590, CVE-2026-31591, CVE-2026-31592, CVE-2026-31593, CVE-2026-31594, CVE-2026-31595,     CVE-2026-31596, CVE-2026-31597, CVE-2026-31598, CVE-2026-31599, CVE-2026-31600, CVE-2026-31601,     CVE-2026-31602, CVE-2026-31603, CVE-2026-31604, CVE-2026-31605, CVE-2026-31606, CVE-2026-31607,     CVE-2026-31608, CVE-2026-31609, CVE-2026-31610, CVE-2026-31611, CVE-2026-31612, CVE-2026-31613,     CVE-2026-31614, CVE-2026-31615, CVE-2026-31616, CVE-2026-31617, CVE-2026-31618, CVE-2026-31619,     CVE-2026-31620, CVE-2026-31621, CVE-2026-31622, CVE-2026-31623, CVE-2026-31624, CVE-2026-31625,     CVE-2026-31626, CVE-2026-31627, CVE-2026-31628, CVE-2026-31629, CVE-2026-31686, CVE-2026-31694,     CVE-2026-31696, CVE-2026-31697, CVE-2026-31698, CVE-2026-31699, CVE-2026-31700, CVE-2026-31701,     CVE-2026-31702, CVE-2026-31703, CVE-2026-31704, CVE-2026-31705, CVE-2026-31706, CVE-2026-31707,     CVE-2026-31708, CVE-2026-31709, CVE-2026-31710, CVE-2026-31711, CVE-2026-31712, CVE-2026-31713,     CVE-2026-31714, CVE-2026-31715, CVE-2026-31716, CVE-2026-31717, CVE-2026-31718, CVE-2026-31719,     CVE-2026-43058, CVE-2026-43071, CVE-2026-43072, CVE-2026-43073, CVE-2026-43348, CVE-2026-43349,     CVE-2026-43350, CVE-2026-43491, CVE-2026-43493, CVE-2026-43499, CVE-2026-43501, CVE-2026-45986,     CVE-2026-45987, CVE-2026-45988, CVE-2026-45989, CVE-2026-45990, CVE-2026-45991, CVE-2026-45994,     CVE-2026-45995, CVE-2026-45996, CVE-2026-45997, CVE-2026-45999, CVE-2026-46001, CVE-2026-46002,     CVE-2026-46003, CVE-2026-46004, CVE-2026-46005, CVE-2026-46006, CVE-2026-46007, CVE-2026-46008,     CVE-2026-46009, CVE-2026-46010, CVE-2026-46011, CVE-2026-46012, CVE-2026-46013, CVE-2026-46014,     CVE-2026-46015, CVE-2026-46016, CVE-2026-46018, CVE-2026-46019, CVE-2026-46020, CVE-2026-46021,     CVE-2026-46022, CVE-2026-46023, CVE-2026-46024, CVE-2026-46025, CVE-2026-46026, CVE-2026-46027,     CVE-2026-46028, CVE-2026-46029, CVE-2026-46030, CVE-2026-46031, CVE-2026-46032, CVE-2026-46033,     CVE-2026-46034, CVE-2026-46035, CVE-2026-46036, CVE-2026-46037, CVE-2026-46038, CVE-2026-46039,     CVE-2026-46040, CVE-2026-46041, CVE-2026-46042, CVE-2026-46043, CVE-2026-46044, CVE-2026-46045,     CVE-2026-46046, CVE-2026-46047, CVE-2026-46049, CVE-2026-46050, CVE-2026-46051, CVE-2026-46052,     CVE-2026-46053, CVE-2026-46054, CVE-2026-46056, CVE-2026-46057, CVE-2026-46058, CVE-2026-46059,     CVE-2026-46060, CVE-2026-46061, CVE-2026-46062, CVE-2026-46063, CVE-2026-46064, CVE-2026-46065,     CVE-2026-46066, CVE-2026-46067, CVE-2026-46068, CVE-2026-46069, CVE-2026-46070, CVE-2026-46071,     CVE-2026-46072, CVE-2026-46073, CVE-2026-46074, CVE-2026-46075, CVE-2026-46076, CVE-2026-46077,     CVE-2026-46078, CVE-2026-46079, CVE-2026-46080, CVE-2026-46081, CVE-2026-46082, CVE-2026-46083,     CVE-2026-46084, CVE-2026-46085, CVE-2026-46086, CVE-2026-46087, CVE-2026-46088, CVE-2026-46089,     CVE-2026-46090, CVE-2026-46091, CVE-2026-46092, CVE-2026-46093, CVE-2026-46094, CVE-2026-46095,     CVE-2026-46096, CVE-2026-46097, CVE-2026-46098, CVE-2026-46099, CVE-2026-46100, CVE-2026-46101,     CVE-2026-46102, CVE-2026-46103, CVE-2026-46115, CVE-2026-46119, CVE-2026-46135, CVE-2026-46137,     CVE-2026-46155, CVE-2026-46185, CVE-2026-46195, CVE-2026-46243, CVE-2026-46244, CVE-2026-46276,     CVE-2026-46277, CVE-2026-46278, CVE-2026-46279, CVE-2026-46280, CVE-2026-46281, CVE-2026-46282,     CVE-2026-46283, CVE-2026-46284, CVE-2026-46285, CVE-2026-46286, CVE-2026-46287, CVE-2026-46288,     CVE-2026-46289, CVE-2026-46316, CVE-2026-46332, CVE-2026-52904, CVE-2026-52905, CVE-2026-52906,     CVE-2026-52907, CVE-2026-52933)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8488-1 advisory.

    It was discovered that some AMD processors did not properly clear data in the floating point divider unit     during speculative execution. A local attacker could use this to expose sensitive information.
    (CVE-2025-54505)

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - ARM64 architecture;

    - x86 architecture;

    - Block layer subsystem;

    - Cryptographic API;

    - Rados block device (RBD) driver;

    - Compressed RAM block device driver;

    - Character device driver;

    - TPM device driver;

    - Hardware crypto device drivers;

    - EDAC drivers;

    - GPU drivers;

    - Greybus drivers;

    - HID subsystem;

    - Microsoft Hyper-V drivers;

    - Hardware monitoring drivers;

    - I2C subsystem;

    - IIO subsystem;

    - InfiniBand drivers;

    - Input Device core drivers;

    - LED subsystem;

    - Multiple devices driver;

    - Media drivers;

    - IBM Advanced System Management driver;

    - MTD block device drivers;

    - Network drivers;

    - Microsoft Azure Network Adapter (MANA) driver;

    - NTB driver;

    - NVME drivers;

    - Device tree and open firmware driver;

    - PCI subsystem;

    - Remote Processor subsystem;

    - SCSI subsystem;

    - SPI subsystem;

    - Realtek RTL8723BS SDIO drivers;

    - SM750 framebuffer staging driver;

    - Thermal drivers;

    - USB Gadget drivers;

    - USB over IP driver;

    - VFIO drivers;

    - Framebuffer layer;

    - 9P distributed file system;

    - AFS file system;

    - Ceph distributed file system;

    - File systems infrastructure;

    - EROFS file system;

    - Ext4 file system;

    - F2FS file system;

    - FUSE (File system in Userspace);

    - Journaling layer for block devices (JBD2);

    - NILFS2 file system;

    - File system notification infrastructure;

    - NTFS3 file system;

    - OCFS2 file system;

    - SMB network file system;

    - UDF file system;

    - XFS file system;

    - Codetag library;

    - Memory management;

    - Memory Management;

    - KVM subsystem;

    - Tracing infrastructure;

    - User-space API (UAPI);

    - io_uring subsystem;

    - Locking primitives;

    - Timer subsystem;

    - Scatterlist API;

    - Heterogeneous memory management;

    - KASAN memory debugging framework;

    - Bluetooth subsystem;

    - Ethernet bridge;

    - CAIF protocol;

    - CAN network layer;

    - Ceph Core library;

    - IPv4 networking;

    - IPv6 networking;

    - Multipath TCP;

    - Netfilter;

    - NFC subsystem;

    - Packet sockets;

    - Qualcomm IPC Router (QRTR);

    - RDS protocol;

    - RxRPC session sockets;

    - SMC sockets;

    - Stream parser;

    - Landlock security;

    - SELinux security module;

    - ALSA framework;

    - Generic PCM loopback sound driver;

    - FireWire sound drivers;

    - Creative Sound Blaster X-Fi driver;

    - QCOM ASoC drivers;

    - USB sound devices;

    - Objtool; (CVE-2026-31532, CVE-2026-31574, CVE-2026-31575, CVE-2026-31576, CVE-2026-31577,     CVE-2026-31578, CVE-2026-31579, CVE-2026-31580, CVE-2026-31581, CVE-2026-31582, CVE-2026-31583,     CVE-2026-31584, CVE-2026-31585, CVE-2026-31586, CVE-2026-31587, CVE-2026-31588, CVE-2026-31589,     CVE-2026-31590, CVE-2026-31591, CVE-2026-31592, CVE-2026-31593, CVE-2026-31594, CVE-2026-31595,     CVE-2026-31596, CVE-2026-31597, CVE-2026-31598, CVE-2026-31599, CVE-2026-31600, CVE-2026-31601,     CVE-2026-31602, CVE-2026-31603, CVE-2026-31604, CVE-2026-31605, CVE-2026-31606, CVE-2026-31607,     CVE-2026-31608, CVE-2026-31609, CVE-2026-31610, CVE-2026-31611, CVE-2026-31612, CVE-2026-31613,     CVE-2026-31614, CVE-2026-31615, CVE-2026-31616, CVE-2026-31617, CVE-2026-31618, CVE-2026-31619,     CVE-2026-31620, CVE-2026-31621, CVE-2026-31622, CVE-2026-31623, CVE-2026-31624, CVE-2026-31625,     CVE-2026-31626, CVE-2026-31627, CVE-2026-31628, CVE-2026-31629, CVE-2026-31686, CVE-2026-31694,     CVE-2026-31696, CVE-2026-31697, CVE-2026-31698, CVE-2026-31699, CVE-2026-31700, CVE-2026-31701,     CVE-2026-31702, CVE-2026-31703, CVE-2026-31704, CVE-2026-31705, CVE-2026-31706, CVE-2026-31707,     CVE-2026-31708, CVE-2026-31709, CVE-2026-31710, CVE-2026-31711, CVE-2026-31712, CVE-2026-31713,     CVE-2026-31714, CVE-2026-31715, CVE-2026-31716, CVE-2026-31717, CVE-2026-31718, CVE-2026-31719,     CVE-2026-43058, CVE-2026-43071, CVE-2026-43072, CVE-2026-43073, CVE-2026-43348, CVE-2026-43349,     CVE-2026-43350, CVE-2026-43491, CVE-2026-43493, CVE-2026-43499, CVE-2026-43501, CVE-2026-45986,     CVE-2026-45987, CVE-2026-45988, CVE-2026-45989, CVE-2026-45990, CVE-2026-45991, CVE-2026-45994,     CVE-2026-45995, CVE-2026-45996, CVE-2026-45997, CVE-2026-45999, CVE-2026-46001, CVE-2026-46002,     CVE-2026-46003, CVE-2026-46004, CVE-2026-46005, CVE-2026-46006, CVE-2026-46007, CVE-2026-46008,     CVE-2026-46009, CVE-2026-46010, CVE-2026-46011, CVE-2026-46012, CVE-2026-46013, CVE-2026-46014,     CVE-2026-46015, CVE-2026-46016, CVE-2026-46018, CVE-2026-46019, CVE-2026-46020, CVE-2026-46021,     CVE-2026-46022, CVE-2026-46023, CVE-2026-46024, CVE-2026-46025, CVE-2026-46026, CVE-2026-46027,     CVE-2026-46028, CVE-2026-46029, CVE-2026-46030, CVE-2026-46031, CVE-2026-46032, CVE-2026-46033,     CVE-2026-46034, CVE-2026-46035, CVE-2026-46036, CVE-2026-46037, CVE-2026-46038, CVE-2026-46039,     CVE-2026-46040, CVE-2026-46041, CVE-2026-46042, CVE-2026-46043, CVE-2026-46044, CVE-2026-46045,     CVE-2026-46046, CVE-2026-46047, CVE-2026-46049, CVE-2026-46050, CVE-2026-46051, CVE-2026-46052,     CVE-2026-46053, CVE-2026-46054, CVE-2026-46056, CVE-2026-46057, CVE-2026-46058, CVE-2026-46059,     CVE-2026-46060, CVE-2026-46061, CVE-2026-46062, CVE-2026-46063, CVE-2026-46064, CVE-2026-46065,     CVE-2026-46066, CVE-2026-46067, CVE-2026-46068, CVE-2026-46069, CVE-2026-46070, CVE-2026-46071,     CVE-2026-46072, CVE-2026-46073, CVE-2026-46074, CVE-2026-46075, CVE-2026-46076, CVE-2026-46077,     CVE-2026-46078, CVE-2026-46079, CVE-2026-46080, CVE-2026-46081, CVE-2026-46082, CVE-2026-46083,     CVE-2026-46084, CVE-2026-46085, CVE-2026-46086, CVE-2026-46087, CVE-2026-46088, CVE-2026-46089,     CVE-2026-46090, CVE-2026-46091, CVE-2026-46092, CVE-2026-46093, CVE-2026-46094, CVE-2026-46095,     CVE-2026-46096, CVE-2026-46097, CVE-2026-46098, CVE-2026-46099, CVE-2026-46100, CVE-2026-46101,     CVE-2026-46102, CVE-2026-46103, CVE-2026-46115, CVE-2026-46119, CVE-2026-46135, CVE-2026-46137,     CVE-2026-46155, CVE-2026-46185, CVE-2026-46195, CVE-2026-46243, CVE-2026-46244, CVE-2026-46276,     CVE-2026-46277, CVE-2026-46278, CVE-2026-46279, CVE-2026-46280, CVE-2026-46281, CVE-2026-46282,     CVE-2026-46283, CVE-2026-46284, CVE-2026-46285, CVE-2026-46286, CVE-2026-46287, CVE-2026-46288,     CVE-2026-46289, CVE-2026-46316, CVE-2026-46332, CVE-2026-52904, CVE-2026-52905, CVE-2026-52906,     CVE-2026-52907, CVE-2026-52933)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8489-1 advisory.

    It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer     operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in     the RxRPC networking subsystem when processing paged fragments. A local attacker could use this to     escalate privileges, or possibly escape a container. (CVE-2026-43284, CVE-2026-43500, CVE-2026-45998,     CVE-2026-46000)

    It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when     handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to     escalate privileges, or possibly escape a container. (CVE-2026-43503, CVE-2026-46300)

    Qualys discovered that a race condition existed in the ptrace subsystem of the Linux kernel when     privileged processes are exiting. An unprivileged local attacker could use this issue to expose sensitive     information. (CVE-2026-46333)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 contain a memory leak when handling     AppArmor notifications. A local attacker could use this to cause resource exhaustion. (CVE-2026-47326)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 contain a NULL pointer dereference     when handling AppArmor notifications. A local attacker could use this to cause a kernel oops.
    (CVE-2026-47327)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 contained an invalid free when     handling AppArmor notifications. A local attacker could use this to corrupt kernel memory.
    (CVE-2026-47328)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 contained insufficient validation of     AppArmor notification responses. A local attacker could use this to allow crafted responses to be     processed. (CVE-2026-47329)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 used an uninitialized variable when     handling AppArmor notifications. A local attacker could use this to cause incorrect caching of data.
    (CVE-2026-47330)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 contained an out-of-bounds (OOB) read     when handling AppArmor notifications. A local attacker could use this to cause information disclosure of     kernel memory. (CVE-2026-47332)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 contained a out-of-bounds (OOB) read     when handling AppArmor notifications. A local attacker could use this to cause kernel memory corruption     and, theoretically, influence processing of AppArmor policies. (CVE-2026-47333)

    Tristan Madani discovered that Ubuntu Linux kernel 6.8, 6.17 and 7.0 contained incorrect holding of locks     when handling AppArmor notifications. A local attacker could use this to cause a kernel panic or deadlock.
    (CVE-2026-47334)

    Tristan Madani and Trevor Lawrence have each independently discovered that Ubuntu Linux kernel 6.8, 6.17     and 7.0 contained a NULL pointer dereference when handling AppArmor network socket mediation. A local     attacker could use this to cause a kernel oops. (CVE-2026-47337)

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - ARM64 architecture;

    - x86 architecture;

    - Block layer subsystem;

    - Cryptographic API;

    - Rados block device (RBD) driver;

    - Compressed RAM block device driver;

    - Character device driver;

    - TPM device driver;

    - Hardware crypto device drivers;

    - EDAC drivers;

    - GPU drivers;

    - Greybus drivers;

    - Hardware monitoring drivers;

    - IIO subsystem;

    - InfiniBand drivers;

    - Input Device core drivers;

    - LED subsystem;

    - Multiple devices driver;

    - Media drivers;

    - IBM Advanced System Management driver;

    - MTD block device drivers;

    - Network drivers;

    - Microsoft Azure Network Adapter (MANA) driver;

    - NVME drivers;

    - Device tree and open firmware driver;

    - PCI subsystem;

    - Remote Processor subsystem;

    - SCSI subsystem;

    - SPI subsystem;

    - Thermal drivers;

    - VFIO drivers;

    - Framebuffer layer;

    - 9P distributed file system;

    - AFS file system;

    - Ceph distributed file system;

    - EROFS file system;

    - File systems infrastructure;

    - Ext4 file system;

    - Journaling layer for block devices (JBD2);

    - File system notification infrastructure;

    - NTFS3 file system;

    - OCFS2 file system;

    - Overlay file system;

    - SMB network file system;

    - UDF file system;

    - XFS file system;

    - Codetag library;

    - Memory management;

    - Tracing infrastructure;

    - io_uring subsystem;

    - Locking primitives;

    - Scatterlist API;

    - Heterogeneous memory management;

    - Bluetooth subsystem;

    - Ethernet bridge;

    - CAIF protocol;

    - Ceph Core library;

    - Networking core;

    - IPv4 networking;

    - IPv6 networking;

    - Multipath TCP;

    - Netfilter;

    - Qualcomm IPC Router (QRTR);

    - RDS protocol;

    - RxRPC session sockets;

    - SMC sockets;

    - Stream parser;

    - Landlock security;

    - SELinux security module;

    - ALSA framework;

    - Generic PCM loopback sound driver;

    - Creative Sound Blaster X-Fi driver;

    - USB sound devices; (CVE-2026-43491, CVE-2026-43493, CVE-2026-43494, CVE-2026-43499, CVE-2026-43501,     CVE-2026-45986, CVE-2026-45987, CVE-2026-45988, CVE-2026-45989, CVE-2026-45990, CVE-2026-45991,     CVE-2026-45994, CVE-2026-45995, CVE-2026-45996, CVE-2026-45997, CVE-2026-45999, CVE-2026-46001,     CVE-2026-46002, CVE-2026-46003, CVE-2026-46004, CVE-2026-46005, CVE-2026-46006, CVE-2026-46007,     CVE-2026-46008, CVE-2026-46009, CVE-2026-46010, CVE-2026-46011, CVE-2026-46012, CVE-2026-46013,     CVE-2026-46014, CVE-2026-46015, CVE-2026-46016, CVE-2026-46018, CVE-2026-46019, CVE-2026-46020,     CVE-2026-46021, CVE-2026-46022, CVE-2026-46023, CVE-2026-46024, CVE-2026-46025, CVE-2026-46026,     CVE-2026-46027, CVE-2026-46028, CVE-2026-46029, CVE-2026-46030, CVE-2026-46031, CVE-2026-46032,     CVE-2026-46033, CVE-2026-46034, CVE-2026-46035, CVE-2026-46036, CVE-2026-46037, CVE-2026-46038,     CVE-2026-46039, CVE-2026-46040, CVE-2026-46041, CVE-2026-46042, CVE-2026-46043, CVE-2026-46044,     CVE-2026-46045, CVE-2026-46046, CVE-2026-46047, CVE-2026-46048, CVE-2026-46049, CVE-2026-46050,     CVE-2026-46051, CVE-2026-46052, CVE-2026-46053, CVE-2026-46054, CVE-2026-46056, CVE-2026-46057,     CVE-2026-46058, CVE-2026-46059, CVE-2026-46060, CVE-2026-46061, CVE-2026-46062, CVE-2026-46063,     CVE-2026-46064, CVE-2026-46065, CVE-2026-46066, CVE-2026-46067, CVE-2026-46068, CVE-2026-46069,     CVE-2026-46070, CVE-2026-46071, CVE-2026-46072, CVE-2026-46073, CVE-2026-46074, CVE-2026-46075,     CVE-2026-46076, CVE-2026-46077, CVE-2026-46078, CVE-2026-46079, CVE-2026-46080, CVE-2026-46081,     CVE-2026-46082, CVE-2026-46083, CVE-2026-46084, CVE-2026-46085, CVE-2026-46086, CVE-2026-46087,     CVE-2026-46088, CVE-2026-46089, CVE-2026-46090, CVE-2026-46091, CVE-2026-46092, CVE-2026-46093,     CVE-2026-46094, CVE-2026-46095, CVE-2026-46096, CVE-2026-46097, CVE-2026-46098, CVE-2026-46099,     CVE-2026-46100, CVE-2026-46101, CVE-2026-46102, CVE-2026-46103, CVE-2026-46115, CVE-2026-46119,     CVE-2026-46135, CVE-2026-46137, CVE-2026-46155, CVE-2026-46185, CVE-2026-46195, CVE-2026-46243,     CVE-2026-46244, CVE-2026-46276, CVE-2026-46277, CVE-2026-46278, CVE-2026-46279, CVE-2026-46280,     CVE-2026-46281, CVE-2026-46282, CVE-2026-46283, CVE-2026-46284, CVE-2026-46285, CVE-2026-46286,     CVE-2026-46287, CVE-2026-46288, CVE-2026-46289, CVE-2026-46316, CVE-2026-46323, CVE-2026-46332,     CVE-2026-52904, CVE-2026-52905, CVE-2026-52906, CVE-2026-52907, CVE-2026-52933, CVE-2026-53174)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - of: unittest: fix use-after-free in testdrv_probe() The function testdrv_probe() retrieves the device_node     from the PCI device, applies an overlay, and then immediately calls of_node_put(dn). This releases the     reference held by the PCI core, potentially freeing the node if the reference count drops to zero. Later,     the same freed pointer 'dn' is passed to of_platform_default_populate(), leading to a use-after-free. The     reference to pdev->dev.of_node is owned by the device model and should not be released by the driver.
    Remove the erroneous of_node_put() to prevent premature freeing. (CVE-2026-45989)

Note that Nessus relies on the presence of the package as reported by the vendor.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1753 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    mm/pagewalk: fix race between concurrent split and refault (CVE-2026-31456)

    In the Linux kernel, the following vulnerability has been resolved:

    fuse: reject oversized dirents in page cache (CVE-2026-31694)

    In the Linux kernel, the following vulnerability has been resolved:

    net/packet: fix TOCTOU race on mmap'd vnet_hdr in tpacket_snd() (CVE-2026-31700)

    In the Linux kernel, the following vulnerability has been resolved:

    smb: client: validate the whole DACL before rewriting it in cifsacl (CVE-2026-31709)

    In the Linux kernel, the following vulnerability has been resolved:

    fs/ntfs3: validate rec->used in journal-replay file record check (CVE-2026-31716)

    In the Linux kernel, the following vulnerability has been resolved:

    x86: shadow stacks: proper error handling for mmap lock (CVE-2026-43109)

    In the Linux kernel, the following vulnerability has been resolved:

    lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_sgl() (CVE-2026-43492)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)

    In the Linux kernel, the following vulnerability has been resolved:

    net/rds: reset op_nents when zerocopy page pin fails (CVE-2026-43494)

    In the Linux kernel, the following vulnerability has been resolved:

    net/sched: sch_red: Replace direct dequeue call with peek and qdisc_dequeue_peeked (CVE-2026-43496)

    In the Linux kernel, the following vulnerability has been resolved:

    rtmutex: Use waiter::task instead of current in remove_waiter() (CVE-2026-43499)

    In the Linux kernel, the following vulnerability has been resolved:

    ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (CVE-2026-43501)

    In the Linux kernel, the following vulnerability has been resolved:

    net/rds: handle zerocopy send cleanup before the message is queued (CVE-2026-43502)

    In the Linux kernel, the following vulnerability has been resolved:

    bpf: Fix use-after-free in arena_vm_close on fork (CVE-2026-45837)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: nSVM: Sync interrupt shadow to cached vmcb12 after VMRUN of L2 (CVE-2026-45987)

    In the Linux kernel, the following vulnerability has been resolved:

    rxrpc: Fix re-decryption of RESPONSE packets (CVE-2026-45988)

    In the Linux kernel, the following vulnerability has been resolved:

    of: unittest: fix use-after-free in testdrv_probe() (CVE-2026-45989)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: fix partition descriptor append bookkeeping (CVE-2026-45991)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: sd: fix missing put_disk() when device_add(&disk_dev) fails (CVE-2026-45997)

    In the Linux kernel, the following vulnerability has been resolved:

    erofs: fix unsigned underflow in z_erofs_lz4_handle_overlap() (CVE-2026-45999)

    In the Linux kernel, the following vulnerability has been resolved:

    rxrpc: Fix conn-level packet handling to unshare RESPONSE packets (CVE-2026-46000)

    In the Linux kernel, the following vulnerability has been resolved:

    xfs: fix a resource leak in xfs_alloc_buftarg() (CVE-2026-46005)

    In the Linux kernel, the following vulnerability has been resolved:

    tcp: call sk_data_ready() after listener migration (CVE-2026-46015)

    In the Linux kernel, the following vulnerability has been resolved:

    thermal: core: Fix thermal zone governor cleanup issues (CVE-2026-46021)

    In the Linux kernel, the following vulnerability has been resolved:

    dm mirror: fix integer overflow in create_dirty_log() (CVE-2026-46023)

    In the Linux kernel, the following vulnerability has been resolved:

    libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply() (CVE-2026-46024)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: authencesn - reject short ahash digests during instance creation (CVE-2026-46033)

    In the Linux kernel, the following vulnerability has been resolved:

    ipv4: icmp: validate reply type before using icmp_pointers (CVE-2026-46037)

    In the Linux kernel, the following vulnerability has been resolved:

    inotify: fix watch count leak when fsnotify_add_inode_mark_locked() fails (CVE-2026-46040)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all() (CVE-2026-46046)

    In the Linux kernel, the following vulnerability has been resolved:

    md/raid10: fix deadlock with check operation and nowait requests (CVE-2026-46050)

    In the Linux kernel, the following vulnerability has been resolved:

    md/raid5: fix soft lockup in retry_aligned_read() (CVE-2026-46051)

    In the Linux kernel, the following vulnerability has been resolved:

    ceph: only d_add() negative dentries when they are unhashed (CVE-2026-46052)

    In the Linux kernel, the following vulnerability has been resolved:

    net: rds: fix MR cleanup on copy error (CVE-2026-46053)

    In the Linux kernel, the following vulnerability has been resolved:

    jbd2: fix deadlock in jbd2_journal_cancel_revoke() (CVE-2026-46061)

    In the Linux kernel, the following vulnerability has been resolved:

    ntfs3: fix integer overflow in run_unpack() volume boundary check (CVE-2026-46062)

    In the Linux kernel, the following vulnerability has been resolved:

    fbdev: defio: Disconnect deferred I/O from the lifetime of struct fb_info (CVE-2026-46065)

    In the Linux kernel, the following vulnerability has been resolved:

    md/raid5: validate payload size before accessing journal metadata (CVE-2026-46070)

    In the Linux kernel, the following vulnerability has been resolved:

    ntfs3: add buffer boundary checks to run_unpack() (CVE-2026-46072)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1 (CVE-2026-46076)

    In the Linux kernel, the following vulnerability has been resolved:

    erofs: fix the out-of-bounds nameoff handling for trailing dirents (CVE-2026-46078)

    In the Linux kernel, the following vulnerability has been resolved:

    rbd: fix null-ptr-deref when device_add_disk() fails (CVE-2026-46079)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0 (CVE-2026-46082)

    In the Linux kernel, the following vulnerability has been resolved:

    spi: fix resource leaks on device setup failure

    Make sure to call controller cleanup() if spi_setup() fails whileregistering a device to avoid leaking any     resources allocated bysetup(). (CVE-2026-46083)

    In the Linux kernel, the following vulnerability has been resolved:

    RDMA/mana_ib: Disable RX steering on RSS QP destroy (CVE-2026-46084)

    In the Linux kernel, the following vulnerability has been resolved:

    net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)

    In the Linux kernel, the following vulnerability has been resolved:

    zram: do not forget to endio for partial discard requests (CVE-2026-46089)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: fix bounds check in check_xattrs() to prevent out-of-bounds access (CVE-2026-46094)

    In the Linux kernel, the following vulnerability has been resolved:

    net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: reject zero shift in nft_bitwise (CVE-2026-46101)

    In the Linux kernel, the following vulnerability has been resolved:

    net: strparser: fix skb_head leak in strp_abort_strp() (CVE-2026-46102)

    In the Linux kernel, the following vulnerability has been resolved:

    eventfs: Hold eventfs_mutex and SRCU when remount walks events (CVE-2026-46106)

    In the Linux kernel, the following vulnerability has been resolved:

    dm-thin: fix metadata refcount underflow (CVE-2026-46107)

    In the Linux kernel, the following vulnerability has been resolved:

    ipmi:si: Return state to normal if message allocation fails (CVE-2026-46108)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113)

    In the Linux kernel, the following vulnerability has been resolved:

    block: add pgmap check to biovec_phys_mergeable (CVE-2026-46115)

    In the Linux kernel, the following vulnerability has been resolved:

    xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)

    In the Linux kernel, the following vulnerability has been resolved:

    libceph: Fix slab-out-of-bounds access in auth message processing (CVE-2026-46119)

    In the Linux kernel, the following vulnerability has been resolved:

    ip6_gre: Use cached t->net in ip6erspan_changelink(). (CVE-2026-46120)

    In the Linux kernel, the following vulnerability has been resolved:

    mm/damon/sysfs-schemes: protect memcg_path kfree() with damon_sysfs_lock (CVE-2026-46121)

    In the Linux kernel, the following vulnerability has been resolved:

    isofs: validate block number from NFS file handle in isofs_export_iget (CVE-2026-46124)

    In the Linux kernel, the following vulnerability has been resolved:

    ipmi: Check event message buffer response for bad data (CVE-2026-46128)

    In the Linux kernel, the following vulnerability has been resolved:

    btrfs: fix double free in create_space_info() error path (CVE-2026-46129)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: x86: check for nEPT/nNPT in slow flush hypercalls (CVE-2026-46131)

    In the Linux kernel, the following vulnerability has been resolved:

    net: rtnetlink: zero ifla_vf_broadcast to avoid stack infoleak in rtnl_fill_vfinfo (CVE-2026-46132)

    In the Linux kernel, the following vulnerability has been resolved:

    smb: client: use kzalloc to zero-initialize security descriptor buffer (CVE-2026-46139)

    In the Linux kernel, the following vulnerability has been resolved:

    RDMA/mana: Fix error unwind in mana_ib_create_qp_rss() (CVE-2026-46144)

    In the Linux kernel, the following vulnerability has been resolved:

    RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)

    In the Linux kernel, the following vulnerability has been resolved:

    fanotify: fix false positive on permission events (CVE-2026-46150)

    In the Linux kernel, the following vulnerability has been resolved:

    smb/client: fix out-of-bounds read in smb2_compound_op() (CVE-2026-46155)

    In the Linux kernel, the following vulnerability has been resolved:

    md/raid10: fix divide-by-zero in setup_geo() with zero far_copies (CVE-2026-46161)

    In the Linux kernel, the following vulnerability has been resolved:

    ice: fix double free in ice_sf_eth_activate() error path (CVE-2026-46162)

    In the Linux kernel, the following vulnerability has been resolved:

    openvswitch: vport: fix self-deadlock on release of tunnel ports (CVE-2026-46165)

    In the Linux kernel, the following vulnerability has been resolved:

    mptcp: fix scheduling with atomic in timestamp sockopt (CVE-2026-46168)

    In the Linux kernel, the following vulnerability has been resolved:

    ipv6: xfrm6: release dst on error in xfrm6_rcv_encap() (CVE-2026-46172)

    In the Linux kernel, the following vulnerability has been resolved:

    exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)

    In the Linux kernel, the following vulnerability has been resolved:

    x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (CVE-2026-46174)

    In the Linux kernel, the following vulnerability has been resolved:

    RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() (CVE-2026-46176)

    In the Linux kernel, the following vulnerability has been resolved:

    ipmi: Add limits to event and receive message requests (CVE-2026-46177)

    In the Linux kernel, the following vulnerability has been resolved:

    smb/client: fix out-of-bounds read in symlink_data() (CVE-2026-46185)

    In the Linux kernel, the following vulnerability has been resolved:

    mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show() (CVE-2026-46190)

    In the Linux kernel, the following vulnerability has been resolved:

    xfrm: ah: account for ESN high bits in async callbacks (CVE-2026-46193)

    In the Linux kernel, the following vulnerability has been resolved:

    smb: client: validate dacloffset before building DACL pointers (CVE-2026-46195)

    In the Linux kernel, the following vulnerability has been resolved:

    tracepoint: balance regfunc() on func_add() failure in tracepoint_add_func() (CVE-2026-46196)

    In the Linux kernel, the following vulnerability has been resolved:

    tpm: Use kfree_sensitive() to free auth session in tpm_dev_release() (CVE-2026-46283)

    In the Linux kernel, the following vulnerability has been resolved:

    lib/scatterlist: fix length calculations in extract_kvec_to_sg (CVE-2026-46289)

    In the Linux kernel, the following vulnerability has been resolved:

    pmdomain: core: Fix detach procedure for virtual devices in genpd (CVE-2026-46292)

    In the Linux kernel, the following vulnerability has been resolved:

    dm: fix a buffer overflow in ioctl processing (CVE-2026-46294)

    In the Linux kernel, the following vulnerability has been resolved:

    isofs: validate Rock Ridge CE continuation extent against volume size (CVE-2026-46303)

    In the Linux kernel, the following vulnerability has been resolved:

    flow_dissector: do not dissect PPPoE PFC frames (CVE-2026-46306)

    In the Linux kernel, the following vulnerability has been resolved:

    ptrace: slightly saner 'get_dumpable()' logic (CVE-2026-46333)

    In the Linux kernel, the following vulnerability has been resolved:

    af_unix: Reject SIOCATMARK on non-stream sockets (CVE-2026-52928)

    In the Linux kernel, the following vulnerability has been resolved:

    io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: reject descriptors with oversized CRC length

    udf_read_tagged() skips CRC verification when descCRCLength +sizeof(struct tag) exceeds the block size.  A     crafted UDF image canset descCRCLength to an oversized value to bypass CRC validationentirely; the     descriptor is then accepted based solely on the 8-bittag checksum, which is trivially recomputable.

    Reject such descriptors instead of silently accepting them.  Alegitimate single-block descriptor should     never have a CRC length thatexceeds the block. (CVE-2026-53369)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
340680	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-8665-1)	Nessus	Ubuntu Local Security Checks	Local	high
325421	Ubuntu 26.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8507-1)	Nessus	Ubuntu Local Security Checks	Local	low
325017	Ubuntu 26.04 LTS : Linux kernel vulnerabilities (USN-8488-1)	Nessus	Ubuntu Local Security Checks	Local	low
325016	Ubuntu 26.04 LTS : Linux kernel (OEM) vulnerabilities (USN-8489-1)	Nessus	Ubuntu Local Security Checks	Local	high
318486	Linux Distros Unpatched Vulnerability : CVE-2026-45989	Nessus	Misc.	Local	high
316975	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)	Nessus	Amazon Linux Local Security Checks	Local	high
316942	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1753)	Nessus	Amazon Linux Local Security Checks	Local	high

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CVE-2026-45989

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