In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ XDP multi-buf programs can modify the layout of the XDP buffer when the program calls bpf_xdp_pull_data() or bpf_xdp_adjust_tail(). The referenced commit in the fixes tag corrected the assumption in the mlx5 driver that the XDP buffer layout doesn't change during a program execution. However, this fix introduced another issue: the dropped fragments still need to be counted on the driver side to avoid page fragment reference counting issues. Such issue can be observed with the test_xdp_native_adjst_tail_shrnk_data selftest when using a payload of 3600 and shrinking by 256 bytes (an upcoming selftest patch): the last fragment gets released by the XDP code but doesn't get tracked by the driver. This results in a negative pp_ref_count during page release and the following splat: WARNING: include/net/page_pool/helpers.h:297 at mlx5e_page_release_fragmented.isra.0+0x4a/0x50 [mlx5_core], CPU#12: ip/3137 Modules linked in: [...] CPU: 12 UID: 0 PID: 3137 Comm: ip Not tainted 6.19.0-rc3+ #12 NONE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 RIP: 0010:mlx5e_page_release_fragmented.isra.0+0x4a/0x50 [mlx5_core] [...] Call Trace: <TASK> mlx5e_dealloc_rx_wqe+0xcb/0x1a0 [mlx5_core] mlx5e_free_rx_descs+0x7f/0x110 [mlx5_core] mlx5e_close_rq+0x50/0x60 [mlx5_core] mlx5e_close_queues+0x36/0x2c0 [mlx5_core] mlx5e_close_channel+0x1c/0x50 [mlx5_core] mlx5e_close_channels+0x45/0x80 [mlx5_core] mlx5e_safe_switch_params+0x1a5/0x230 [mlx5_core] mlx5e_change_mtu+0xf3/0x2f0 [mlx5_core] netif_set_mtu_ext+0xf1/0x230 do_setlink.isra.0+0x219/0x1180 rtnl_newlink+0x79f/0xb60 rtnetlink_rcv_msg+0x213/0x3a0 netlink_rcv_skb+0x48/0xf0 netlink_unicast+0x24a/0x350 netlink_sendmsg+0x1ee/0x410 __sock_sendmsg+0x38/0x60 ____sys_sendmsg+0x232/0x280 ___sys_sendmsg+0x78/0xb0 __sys_sendmsg+0x5f/0xb0 [...] do_syscall_64+0x57/0xc50 This patch fixes the issue by doing page frag counting on all the original XDP buffer fragments for all relevant XDP actions (XDP_TX , XDP_REDIRECT and XDP_PASS). This is basically reverting to the original counting before the commit in the fixes tag. As frag_page is still pointing to the original tail, the nr_frags parameter to xdp_update_skb_frags_info() needs to be calculated in a different way to reflect the new nr_frags.

The remote Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8781-1 advisory.

    It was discovered that some Arm processors could complete a broadcast translation lookaside buffer (TLB)     invalidation before memory writes made through the invalidated translation were globally observed. A local     attacker could possibly use this to write to memory after permission to do so had been revoked, bypassing     memory protections or escalating privileges. (CVE-2025-10263)

    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;

    - User-space API (UAPI);

    - Kernel build system;

    - ARM32 architecture;

    - PowerPC architecture;

    - RISC-V architecture;

    - S390 architecture;

    - User-Mode Linux (UML);

    - x86 architecture;

    - Cryptographic API;

    - Intel NPU Driver;

    - Compute Acceleration Framework;

    - ACPI drivers;

    - Drivers core;

    - DRBD Distributed Replicated Block Device drivers;

    - Rados block device (RBD) driver;

    - Ublk userspace block driver;

    - Compressed RAM block device driver;

    - Bluetooth drivers;

    - Hardware crypto device drivers;

    - CXL (Compute Express Link) drivers;

    - Arm Firmware Framework for ARMv8-A(FFA);

    - EFI core;

    - FPGA Framework;

    - GPU drivers;

    - HID subsystem;

    - Hardware monitoring drivers;

    - I2C subsystem;

    - I3C subsystem;

    - InfiniBand drivers;

    - Input Device core drivers;

    - Input Device (Mouse) drivers;

    - IOMMU subsystem;

    - Multiple devices driver;

    - Media drivers;

    - Fastrpc Driver;

    - Network drivers;

    - Mellanox network drivers;

    - Microsoft Azure Network Adapter (MANA) driver;

    - MediaTek network drivers;

    - NVME drivers;

    - Operating Performance Points (OPP) driver;

    - PCI subsystem;

    - PTP clock framework;

    - RPMSG subsystem;

    - SCSI subsystem;

    - SoundWire subsystem;

    - SPI subsystem;

    - Greybus lights staging drivers;

    - Media staging drivers;

    - NVIDIA Tegra embedded controller (NVEC) staging driver;

    - Realtek RTL8723BS SDIO drivers;

    - TCM subsystem;

    - Trusted Execution Environment drivers;

    - Thunderbolt and USB4 drivers;

    - TTY drivers;

    - USB Gadget drivers;

    - USB Dual Role (OTG-ready) Controller drivers;

    - USB Serial drivers;

    - vDPA drivers;

    - VFIO drivers;

    - Virtio Host (VHOST) subsystem;

    - Virtio drivers;

    - Xen hypervisor drivers;

    - 9P distributed file system;

    - AFS file system;

    - File systems infrastructure;

    - BTRFS file system;

    - Ceph distributed file system;

    - exFAT file system;

    - F2FS file system;

    - GFS2 file system;

    - HFS file system;

    - HFS+ file system;

    - JFS file system;

    - Network file systems library;

    - Network file system (NFS) client;

    - Network file system (NFS) server daemon;

    - NTFS3 file system;

    - OCFS2 file system;

    - OrangeFS file system;

    - SMB network file system;

    - BPF subsystem;

    - File system encryption (fscrypt);

    - Software nodes and device properties;

    - IPv4 networking;

    - KVM subsystem;

    - Mellanox drivers;

    - Memory management;

    - Networking core;

    - Netfilter;

    - Socket messages infrastructure;

    - MediaTek SoC drivers;

    - Sun RPC protocol;

    - Network traffic control;

    - IPv6 networking;

    - Amateur Radio drivers;

    - Bluetooth subsystem;

    - IP tunnels definitions;

    - KCM (Kernel Connection Multiplexor) sockets driver;

    - MultiProtocol Label Switching driver;

    - TCP network protocol;

    - XFRM subsystem;

    - Tracing infrastructure;

    - io_uring subsystem;

    - Control group (cgroup);

    - Perf events;

    - IRQ subsystem;

    - Locking primitives;

    - KProbes tracing;

    - 9P file system network protocol;

    - B.A.T.M.A.N. meshing protocol;

    - Ethernet bridge;

    - CAN network layer;

    - Ceph Core library;

    - Handshake API;

    - HSR network protocol;

    - IFE protocol;

    - L2TP protocol;

    - MAC80211 subsystem;

    - IEEE 802.15.4 subsystem;

    - Multipath TCP;

    - NFC subsystem;

    - Open vSwitch;

    - Phonet protocol;

    - RDS protocol;

    - RxRPC session sockets;

    - SCTP protocol;

    - SMC sockets;

    - TIPC protocol;

    - TLS protocol;

    - Unix domain sockets;

    - VMware vSockets driver;

    - Wireless networking;

    - X.25 network layer;

    - eXpress Data Path;

    - Rust bindings mechanism;

    - AppArmor security module;

    - Key management;

    - Linux Security Modules (LSM) Framework;

    - SELinux security module;

    - ALSA framework;

    - AudioScience HPI driver;

    - Intel ASoC drivers;

    - USB sound devices; (CVE-2024-14040, CVE-2024-35948, CVE-2024-41008, CVE-2024-43872, CVE-2024-44932,     CVE-2024-44964, CVE-2024-49932, CVE-2024-49940, CVE-2024-50106, CVE-2024-50217, CVE-2024-52560,     CVE-2024-53098, CVE-2024-56552, CVE-2024-56591, CVE-2024-57857, CVE-2024-58089, CVE-2024-58094,     CVE-2024-58098, CVE-2024-58100, CVE-2024-58241, CVE-2025-21687, CVE-2025-21693, CVE-2025-21984,     CVE-2025-21985, CVE-2025-22104, CVE-2025-22108, CVE-2025-22109, CVE-2025-23132, CVE-2025-37776,     CVE-2025-37876, CVE-2025-37906, CVE-2025-38064, CVE-2025-38069, CVE-2025-38187, CVE-2025-38204,     CVE-2025-38206, CVE-2025-38242, CVE-2025-38498, CVE-2025-38563, CVE-2025-38565, CVE-2025-38636,     CVE-2025-38717, CVE-2025-39677, CVE-2025-39789, CVE-2025-39859, CVE-2025-39862, CVE-2025-39896,     CVE-2025-39933, CVE-2025-39958, CVE-2025-39990, CVE-2025-40025, CVE-2025-40040, CVE-2025-40054,     CVE-2025-40064, CVE-2025-40074, CVE-2025-40075, CVE-2025-40139, CVE-2025-40158, CVE-2025-40168,     CVE-2025-40170, CVE-2025-40203, CVE-2025-40274, CVE-2025-40344, CVE-2025-40354, CVE-2025-68174,     CVE-2025-68304, CVE-2025-68360, CVE-2025-68745, CVE-2025-68822, CVE-2025-71073, CVE-2025-71074,     CVE-2025-71202, CVE-2025-71289, CVE-2026-23208, CVE-2026-23239, CVE-2026-23240, CVE-2026-23327,     CVE-2026-23393, CVE-2026-23469, CVE-2026-31420, CVE-2026-31479, CVE-2026-31486, CVE-2026-31493,     CVE-2026-31560, CVE-2026-31568, CVE-2026-31630, CVE-2026-31663, CVE-2026-31771, CVE-2026-43009,     CVE-2026-43029, CVE-2026-43042, CVE-2026-43048, CVE-2026-43101, CVE-2026-43116, CVE-2026-43126,     CVE-2026-43172, CVE-2026-43213, CVE-2026-43263, CVE-2026-43303, CVE-2026-43352, CVE-2026-43353,     CVE-2026-43464, CVE-2026-45850, CVE-2026-45894, CVE-2026-45932, CVE-2026-45944, CVE-2026-46054,     CVE-2026-46130, CVE-2026-46158, CVE-2026-46170, CVE-2026-46175, CVE-2026-46181, CVE-2026-46203,     CVE-2026-46275, CVE-2026-46315, CVE-2026-46320, CVE-2026-46324, CVE-2026-46330, CVE-2026-52908,     CVE-2026-52909, CVE-2026-52910, CVE-2026-52912, CVE-2026-52915, CVE-2026-52916, CVE-2026-52918,     CVE-2026-52919, CVE-2026-52921, CVE-2026-52922, CVE-2026-52926, CVE-2026-52934, CVE-2026-52941,     CVE-2026-52956, CVE-2026-52988, CVE-2026-52991, CVE-2026-53000, CVE-2026-53005, CVE-2026-53009,     CVE-2026-53024, CVE-2026-53025, CVE-2026-53053, CVE-2026-53070, CVE-2026-53078, CVE-2026-53089,     CVE-2026-53090, CVE-2026-53091, CVE-2026-53109, CVE-2026-53118, CVE-2026-53120, CVE-2026-53129,     CVE-2026-53131, CVE-2026-53132, CVE-2026-53133, CVE-2026-53148, CVE-2026-53159, CVE-2026-53182,     CVE-2026-53183, CVE-2026-53185, CVE-2026-53186, CVE-2026-53196, CVE-2026-53198, CVE-2026-53216,     CVE-2026-53217, CVE-2026-53221, CVE-2026-53230, CVE-2026-53232, CVE-2026-53239, CVE-2026-53250,     CVE-2026-53254, CVE-2026-53256, CVE-2026-53262, CVE-2026-53264, CVE-2026-53266, CVE-2026-53269,     CVE-2026-53270, CVE-2026-53273, CVE-2026-53275, CVE-2026-53281, CVE-2026-53284, CVE-2026-53354,     CVE-2026-53355, CVE-2026-53357, CVE-2026-53358, CVE-2026-53361, CVE-2026-53368, CVE-2026-53384,     CVE-2026-53398, CVE-2026-53399, CVE-2026-63795, CVE-2026-63796, CVE-2026-63797, CVE-2026-63800,     CVE-2026-63801, CVE-2026-63804, CVE-2026-63807, CVE-2026-63808, CVE-2026-63815, CVE-2026-63818,     CVE-2026-63825, CVE-2026-63828, CVE-2026-63829, CVE-2026-63830, CVE-2026-63831, CVE-2026-63853,     CVE-2026-63858, CVE-2026-63886, CVE-2026-63887, CVE-2026-63888, CVE-2026-63893, CVE-2026-63906,     CVE-2026-63912, CVE-2026-63914, CVE-2026-63915, CVE-2026-63916, CVE-2026-63917, CVE-2026-63919,     CVE-2026-63921, CVE-2026-63922, CVE-2026-63924, CVE-2026-63926, CVE-2026-63940, CVE-2026-63944,     CVE-2026-63945, CVE-2026-63946, CVE-2026-63947, CVE-2026-63948, CVE-2026-63952, CVE-2026-63974,     CVE-2026-63975, CVE-2026-63976, CVE-2026-63978, CVE-2026-63979, CVE-2026-63980, CVE-2026-63984,     CVE-2026-63992, CVE-2026-63993, CVE-2026-63994, CVE-2026-64000, CVE-2026-64007, CVE-2026-64010,     CVE-2026-64011, CVE-2026-64015, CVE-2026-64018, CVE-2026-64025, CVE-2026-64029, CVE-2026-64032,     CVE-2026-64033, CVE-2026-64034, CVE-2026-64039, CVE-2026-64046, CVE-2026-64047, CVE-2026-64048,     CVE-2026-64051, CVE-2026-64055, CVE-2026-64056, CVE-2026-64064, CVE-2026-64073, CVE-2026-64076,     CVE-2026-64077, CVE-2026-64082, CVE-2026-64083, CVE-2026-64084, CVE-2026-64085, CVE-2026-64086,     CVE-2026-64087, CVE-2026-64088, CVE-2026-64089, CVE-2026-64091, CVE-2026-64092, CVE-2026-64093,     CVE-2026-64096, CVE-2026-64097, CVE-2026-64098, CVE-2026-64099, CVE-2026-64102, CVE-2026-64103,     CVE-2026-64106, CVE-2026-64108, CVE-2026-64109, CVE-2026-64111, CVE-2026-64112, CVE-2026-64113,     CVE-2026-64114, CVE-2026-64115, CVE-2026-64116, CVE-2026-64117, CVE-2026-64118, CVE-2026-64121,     CVE-2026-64125, CVE-2026-64126, CVE-2026-64127, CVE-2026-64128, CVE-2026-64133, CVE-2026-64134,     CVE-2026-64135, CVE-2026-64136, CVE-2026-64137, CVE-2026-64138, CVE-2026-64144, CVE-2026-64147,     CVE-2026-64148, CVE-2026-64153, CVE-2026-64155, CVE-2026-64160, CVE-2026-64163, CVE-2026-64165,     CVE-2026-64166, CVE-2026-64168, CVE-2026-64170, CVE-2026-64173, CVE-2026-64174, CVE-2026-64177,     CVE-2026-64178, CVE-2026-64179, CVE-2026-64180, CVE-2026-64182, CVE-2026-64183, CVE-2026-64184,     CVE-2026-64185, CVE-2026-64191, CVE-2026-64206, CVE-2026-64214, CVE-2026-64217, CVE-2026-64218,     CVE-2026-64219, CVE-2026-64220, CVE-2026-64221, CVE-2026-64225, CVE-2026-64231, CVE-2026-64237,     CVE-2026-64247, CVE-2026-64249, CVE-2026-64268, CVE-2026-64269, CVE-2026-64280, CVE-2026-64303,     CVE-2026-64313, CVE-2026-64315, CVE-2026-64319, CVE-2026-64320, CVE-2026-64355, CVE-2026-64361,     CVE-2026-64364, CVE-2026-64382, CVE-2026-64383, CVE-2026-64384, CVE-2026-64385, CVE-2026-64386,     CVE-2026-64387, CVE-2026-64390, CVE-2026-64391, CVE-2026-64392, CVE-2026-64393, CVE-2026-64394,     CVE-2026-64396, CVE-2026-64397, CVE-2026-64399, CVE-2026-64400, CVE-2026-64408, CVE-2026-64438,     CVE-2026-64441, CVE-2026-64445, CVE-2026-64450, CVE-2026-64475, CVE-2026-64510, CVE-2026-64518,     CVE-2026-64523, CVE-2026-64529, CVE-2026-64530, CVE-2026-64534, CVE-2026-64535, CVE-2026-64541,     CVE-2026-64548, CVE-2026-64551, CVE-2026-64552, CVE-2026-64554, CVE-2026-64555, CVE-2026-64557,     CVE-2026-64561, CVE-2026-64562, CVE-2026-64564, CVE-2026-64586, CVE-2026-64597, CVE-2026-64598,     CVE-2026-68082, CVE-2026-68083, CVE-2026-68117, CVE-2026-68123, CVE-2026-68124, CVE-2026-68127,     CVE-2026-68136, CVE-2026-68137, CVE-2026-68138, CVE-2026-68144, CVE-2026-68147, CVE-2026-68152,     CVE-2026-68154, CVE-2026-68156, CVE-2026-68158, CVE-2026-68159, CVE-2026-68160, CVE-2026-68161,     CVE-2026-68162, CVE-2026-68198, CVE-2026-68206, CVE-2026-68209, CVE-2026-68210, CVE-2026-68213,     CVE-2026-68228, CVE-2026-68229, CVE-2026-68300, CVE-2026-68302, CVE-2026-68343, CVE-2026-68381,     CVE-2026-68388, CVE-2026-68426, CVE-2026-68431, CVE-2026-68457, CVE-2026-68461, CVE-2026-68470,     CVE-2026-68476, CVE-2026-68477, CVE-2026-72014, CVE-2026-72020, CVE-2026-72033, CVE-2026-72041,     CVE-2026-72065, CVE-2026-72069, CVE-2026-72071, CVE-2026-72083, CVE-2026-72084, CVE-2026-72085,     CVE-2026-72098, CVE-2026-72111, CVE-2026-72124, CVE-2026-72125, CVE-2026-72126, CVE-2026-72129,     CVE-2026-72130, CVE-2026-72191, CVE-2026-72192, CVE-2026-72194, CVE-2026-72200, CVE-2026-72217,     CVE-2026-72221, CVE-2026-72222, CVE-2026-72226, CVE-2026-72234, CVE-2026-72251, CVE-2026-72255,     CVE-2026-72288, CVE-2026-72289, CVE-2026-72296, CVE-2026-72299, CVE-2026-72317, CVE-2026-72318,     CVE-2026-72319, CVE-2026-72320, CVE-2026-72322, CVE-2026-72323, CVE-2026-72329, CVE-2026-72339,     CVE-2026-72348, CVE-2026-72351, CVE-2026-72380, CVE-2026-72383, CVE-2026-72398, CVE-2026-72399,     CVE-2026-72421, CVE-2026-72422, CVE-2026-72434, CVE-2026-72436, CVE-2026-72451, CVE-2026-72454,     CVE-2026-72466, CVE-2026-72472, CVE-2026-72473, CVE-2026-72487, CVE-2026-72488, CVE-2026-72489,     CVE-2026-72491, CVE-2026-72494, CVE-2026-72495, CVE-2026-72496, CVE-2026-72499, CVE-2026-74255,     CVE-2026-74264, CVE-2026-74267, CVE-2026-74268, CVE-2026-74269, CVE-2026-74279, CVE-2026-74280,     CVE-2026-74287, CVE-2026-74302, CVE-2026-74305, CVE-2026-74310, CVE-2026-74345, CVE-2026-74350,     CVE-2026-74376, CVE-2026-74384, CVE-2026-74394, CVE-2026-74398, CVE-2026-74401, CVE-2026-74405,     CVE-2026-74406, CVE-2026-74407, CVE-2026-74408, CVE-2026-74410, CVE-2026-74411, CVE-2026-74417,     CVE-2026-74427, CVE-2026-74436, CVE-2026-74439, CVE-2026-74440, CVE-2026-74473, CVE-2026-74474,     CVE-2026-74475, CVE-2026-74476, CVE-2026-74478, CVE-2026-74480, CVE-2026-74493, CVE-2026-74495,     CVE-2026-74521, CVE-2026-74538, CVE-2026-74541, CVE-2026-74556, CVE-2026-74569)

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.

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath(CVE-2026-43112)

    lib/crypto: chacha: Zeroize permuted_state before it leaves scope(CVE-2026-43336)

    MIPS: Work around LLVM bug when gp is used as global register variable(CVE-2026-46250)

    bridge: br_nd_send: validate ND option lengths(CVE-2026-31752)

    iommu/vt-d: Clear Present bit before tearing down PASID entry(CVE-2026-45894)

    xfs: remove xfs_attr_leaf_hasname(CVE-2026-43153)

    smb: client: reject userspace cifs.spnego descriptions(CVE-2026-46243)

    usb: ulpi: fix double free in ulpi_register_interface() error path(CVE-2026-31759)

    crypto: ccp: Don't attempt to copy PDH cert to userspace if PSP command failed(CVE-2026-31698)

    RDMA/hns: Fix WQ_MEM_RECLAIM warning(CVE-2026-46265)

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

    netfilter: nfnetlink_queue: do shared-unconfirmed check before segmentation(CVE-2026-45859)

    RDMA/umem: Fix double dma_buf_unpin in failure path(CVE-2026-43128)

    mm/page_alloc: change all pageblocks migrate type on coalescing(CVE-2025-71134)

    slip: reject VJ receive packets on instances with no rstate array(CVE-2026-45842)

    net/tcp-md5: Fix MAC comparison to be constant-time(CVE-2026-43383)

    scsi: smartpqi: Fix memory leak in pqi_report_phys_luns()(CVE-2026-45872)

    netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table()(CVE-2026-43450)

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

    tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure(CVE-2026-45941)

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

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

    vsock: fix buffer size clamping order(CVE-2026-46234)

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

    powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()(CVE-2026-43148)

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

    netfilter: arp_tables: fix IEEE1394 ARP payload parsing(CVE-2026-45844)

    ext4: move ext4_percpu_param_init() before ext4_mb_init()(CVE-2026-43288)

    usb: typec: ucsi: validate connector number in ucsi_notify_common()(CVE-2026-31729)

    dm: remove fake timeout to avoid leak request(CVE-2026-43314)

    nvmet: avoid recursive nvmet-wq flush in nvmet_ctrl_free(CVE-2026-46304)

    xfrm: Wait for RCU readers during policy netns exit(CVE-2026-43091)

    netfilter: nf_conntrack_h323: fix OOB read in decode_choice()(CVE-2026-43233)

    scsi: core: Fix refcount leak for tagset_refcnt(CVE-2026-23296)

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

    netfilter: nf_conncount: increase the connection clean up limit to 64(CVE-2026-45860)

    crypto: ccp: Don't attempt to copy ID to userspace if PSP command failed(CVE-2026-31697)

    net/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQ(CVE-2026-43465)

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

    ipv6: icmp: clear skb2-cb[] in ip6_err_gen_icmpv6_unreach()(CVE-2026-43038)

    APEI/GHES: ensure that won't go past CPER allocated record(CVE-2026-43277)

    openvswitch: cap upcall PID array size and pre-size vport replies(CVE-2026-45840)

    AppArmor: Allow apparmor to handle unaligned dfa tables(CVE-2026-46254)

    tun: free page on short-frame rejection in tun_xdp_one()(CVE-2026-46321)

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

    bpf: sockmap: Fix use-after-free of sk-sk_socket in sk_psock_verdict_data_ready().(CVE-2026-43016)

    net: af_key: zero aligned sockaddr tail in PF_KEY exports(CVE-2026-43088)

    iommu/amd: move wait_on_sem() out of spinlock(CVE-2026-43253)

    fs/buffer: add alert in try_to_free_buffers() for folios without buffers(CVE-2025-71295)

    ext4: don't zero the entire extent if EXT4_EXT_DATA_PARTIAL_VALID1(CVE-2026-45858)

    fat: avoid parent link count underflow in rmdir(CVE-2026-45915)

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

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

    sched/rt: Skip currently executing CPU in rto_next_cpu()(CVE-2026-45919)

    xfrm6: fix uninitialized saddr in xfrm6_get_saddr()(CVE-2026-43139)

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

    bpf: Fix bpf_xdp_store_bytes proto for read-only arg(CVE-2026-45886)

    ext4: don't set EXT4_GET_BLOCKS_CONVERT when splitting before submitting I/O(CVE-2026-45985)

    netfilter: xt_tcpmss: check remaining length before reading optlen(CVE-2026-43190)

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

    ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()(CVE-2026-43186)

    media: saa7164: add ioremap return checks and cleanups(CVE-2026-46235)

    l2tp: Drop large packets with UDP encap(CVE-2026-43080)

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

    smb: client: fix in-place encryption corruption in SMB2_write()(CVE-2026-43362)

    drm/display/dp_mst: Add protection against 0 vcpi(CVE-2025-71305)

    x86-64: rename misleadingly named '__copy_user_nocache()' function(CVE-2026-43073)

    serial: 8250: Fix TX deadlock when using DMA(CVE-2026-43061)

    md raid: fix hang when stopping arrays with metadata through dm-raid(CVE-2026-43309)

    iommu/vt-d: Clear Present bit before tearing down context entry(CVE-2026-45944)

    netfilter: nft_ct: drop pending enqueued packets on removal(CVE-2026-43060)

    xfrm: always flush state and policy upon NETDEV_UNREGISTER event(CVE-2026-43167)

    KVM: nSVM: Triple fault if restore host CR3 fails on nested #VMEXIT(CVE-2026-46032)

    nfsd: never defer requests during idmap lookup(CVE-2026-45983)

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

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

    APEI/GHES: ARM processor Error: don't go past allocated memory(CVE-2026-43201)

    netfilter: nf_conntrack_helper: pass helper to expect cleanup(CVE-2026-43027)

    net: consume xmit errors of GSO frames(CVE-2026-43194)

    net/mlx5: lag: Check for LAG device before creating debugfs(CVE-2026-43013)

    net: sched: cls_api: fix tc_chain_fill_node to initialize tcm_info to zero to prevent an info-     leak(CVE-2026-43035)

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

    nouveau/dpcd: return EBUSY for aux xfer if the device is asleep(CVE-2026-43381)

    perf: sched: Fix perf crash with new is_user_task() helper(CVE-2026-23159)

    netfilter: x_tables: guard option walkers against 1-byte tail reads(CVE-2026-43452)

    mmc: core: Avoid bitfield RMW for claim/retune flags(CVE-2026-43484)

    unshare: fix unshare_fs() handling(CVE-2026-43472)

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

    vsock/virtio: fix accept queue count leak on transport mismatch(CVE-2026-46214)

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

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

    crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption(CVE-2026-43033)

    smb: client: require a full NFS mode SID before reading mode bits(CVE-2026-43350)

    xfrm_user: fix info leak in build_mapping()(CVE-2026-43089)

    ext4: drop extent cache when splitting extent fails(CVE-2026-45899)

    net/mlx5: Fix deadlock between devlink lock and esw-wq(CVE-2026-43468)

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

    ip6_tunnel: clear skb2-cb[] in ip4ip6_err()(CVE-2026-43037)

    net: correctly handle tunneled traffic on IPV6_CSUM GSO fallback(CVE-2026-43057)

    ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()(CVE-2026-43101)

    netfilter: ctnetlink: ignore explicit helper on new expectations(CVE-2026-43025)

    net: Drop the lock in skb_may_tx_timestamp()(CVE-2026-43216)

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

    usb: image: mdc800: kill download URB on timeout(CVE-2026-43425)

    netfilter: nfnetlink_queue: fix entry leak in bridge verdict error path(CVE-2026-43451)

    usb: class: cdc-wdm: fix reordering issue in read code path(CVE-2026-43427)

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

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

    xsk: validate MTU against usable frame size on bind(CVE-2026-43092)

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

    net: ioam6: fix OOB and missing lock(CVE-2026-43083)

    usb: usbtmc: Flush anchored URBs in usbtmc_release(CVE-2026-31758)

    usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl(CVE-2026-46167)

    ext4: fix iloc.bh leak in ext4_fc_replay_inode() error paths(CVE-2026-43066)

    ipv6: prevent possible UaF in addrconf_permanent_addr()(CVE-2026-43339)

    net: hns3: fix double free issue for tx spare buffer(CVE-2026-45891)

    8021q: delete cleared egress QoS mappings(CVE-2026-46153)

    cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path(CVE-2026-43328)

    apparmor: fix NULL sock in aa_sock_file_perm(CVE-2026-45848)

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

    usb: usblp: fix heap leak in IEEE 1284 device ID via short response(CVE-2026-46151)

    xfs: delete attr leaf freemap entries when empty(CVE-2026-43187)

    PCI: Fix pci_slot_trylock() error handling(CVE-2026-43211)

    pstore/ram: fix buffer overflow in persistent_ram_save_old()(CVE-2026-46253)

    ima: verify the previous kernel's IMA buffer lies in addressable RAM(CVE-2026-43129)

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

    iommu/vt-d: Flush cache for PASID table before using it(CVE-2026-45862)

    KVM: nSVM: Remove a user-triggerable WARN on nested_svm_load_cr3() succeeding(CVE-2026-43315)

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

    ext4: don't cache extent during splitting extent(CVE-2026-45912)

    io_uring/kbuf: check if target buffer list is still legacy on recycle(CVE-2026-43366)

    ipvs: fix NULL deref in ip_vs_add_service error path(CVE-2026-43086)

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

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

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

    crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl(CVE-2026-43078)

    xfrm: account XFRMA_IF_ID in aevent size calculation(CVE-2026-43107)

    ext4: fix memory leak in ext4_ext_shift_extents()(CVE-2026-45948)

    xsk: tighten UMEM headroom validation to account for tailroom and min frame(CVE-2026-43093)

    drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs()(CVE-2026-46209)

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

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

    md/bitmap: fix GPF in write_page caused by resize race(CVE-2026-43163)

    xfs: fix freemap adjustments when adding xattrs to leaf blocks(CVE-2026-43158)

    procfs: fix missing RCU protection when reading real_parent in do_task_stat()(CVE-2026-46259)

    KVM: SVM: Add missing save/restore handling of LBR MSRs(CVE-2026-46014)

    apparmor: fix invalid deref of rawdata when export_binary is unset(CVE-2026-45965)

    KVM: nSVM: Always use NextRIP as vmcb02's NextRIP after first L2 VMRUN(CVE-2026-46059)

    media: pvrusb2: fix URB leak in pvr2_send_request_ex(CVE-2026-43223)

    xprtrdma: Decrement re_receiving on the early exit paths(CVE-2026-43469)

    tcp: fix potential race in tcp_v6_syn_recv_sock()(CVE-2026-43198)

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

    netfilter: x_tables: ensure names are nul-terminated(CVE-2026-43028)

    dlm: validate length in dlm_search_rsb_tree(CVE-2026-43125)

    ipvs: do not keep dest_dst if dev is going down(CVE-2026-45917)

    ipv4: icmp: fix null-ptr-deref in icmp_build_probe()(CVE-2026-43099)

    eventpoll: fix ep_remove struct eventpoll / struct file UAF(CVE-2026-46242)

    RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()(CVE-2026-46181)

    drm/nouveau: fix u32 overflow in pushbuf reloc bounds check(CVE-2026-46006)

    ata: libata-scsi: avoid Non-NCQ command starvation(CVE-2026-45855)

    net: bonding: Fix nd_tbl NULL dereference when IPv6 is disabled(CVE-2026-43441)

    drm/amd/display: Fix dc_link NULL handling in HPD init(CVE-2026-46245)

    fbcon: Avoid OOB font access if console rotation fails(CVE-2026-46191)

    net: remove WARN_ON_ONCE when accessing forward path array(CVE-2026-45847)

    xfrm: fix ip_rt_bug race in icmp_route_lookup reverse path(CVE-2026-45905)

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

    net/mlx5e: Fix DMA FIFO desync on error CQE SQ recovery(CVE-2026-43466)

    HID: logitech-hidpp: Check maxfield in hidpp_get_report_length()(CVE-2026-43136)

    mm/page_alloc: clear page-private in free_pages_prepare()(CVE-2026-43303)

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

    eventpoll: defer struct eventpoll free to RCU grace period(CVE-2026-43074)

    cpuidle: Skip governor when only one idle state is available(CVE-2026-45968)

    netfilter: nft_set_pipapo: fix stack out-of-bounds read in pipapo_drop()(CVE-2026-43453)

    crypto: algif_aead - Fix minimum RX size check for decryption(CVE-2026-43077)

    cgroup: fix race between task migration and iteration(CVE-2026-43439)

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

    scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT(CVE-2026-43475)

    quota: fix livelock between quotactl and freeze_super(CVE-2026-45895)

    net/ipv6: ioam6: prevent schema length wraparound in trace fill(CVE-2026-43341)

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

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

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

    RDMA/hns: Fix unlocked call to hns_roce_qp_remove()(CVE-2026-46112)

    netfilter: ctnetlink: ensure safe access to master conntrack(CVE-2026-43116)

    ext4: fix e4b bitmap inconsistency reports(CVE-2026-45942)

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

    EFI/CPER: don't go past the ARM processor CPER record buffer(CVE-2026-43266)

    nvmet-tcp: fix race between ICReq handling and queue teardown(CVE-2026-46135)

    netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry(CVE-2026-43114)

    (CVE-2026-46320)

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

    SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path(CVE-2026-45964)

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

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

    ext4: drop extent cache after doing PARTIAL_VALID1 zeroout(CVE-2026-45892)

    SUNRPC: auth_gss: fix memory leaks in XDR decoding error paths(CVE-2026-45870)

    sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL(CVE-2026-46227)

    x86/kexec: add a sanity check on previous kernel's ima kexec buffer(CVE-2026-43240)

    Revert 'PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV'(CVE-2026-43147)

    netfilter: nft_set_rbtree: check for partial overlaps in anonymous sets(CVE-2026-45873)

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

    spi: fix resource leaks on device setup failure(CVE-2026-46083)

    mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate()(CVE-2026-43281)

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

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

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

    vxlan: validate ND option lengths in vxlan_na_create(CVE-2026-31738)

    drm: Account property blob allocations to memcg(CVE-2026-43287)

    crypto: algif_aead - snapshot IV for async AEAD requests(CVE-2026-46028)

    netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator(CVE-2026-43085)

    netfilter: nf_tables: reject immediate NF_QUEUE verdict(CVE-2026-43024)

    scsi: csiostor: Fix dereference of null pointer rn(CVE-2026-45857)

    bonding: alb: fix UAF in rlb_arp_recv during bond up/down(CVE-2026-45970)

    usb: xhci: Fix memory leak in xhci_disable_slot()(CVE-2026-43432)

    bpf: Fix tcx/netkit detach permissions when prog fd isn't given(CVE-2026-45932)

    netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO(CVE-2026-45841)

    ext4: fix dirtyclusters double decrement on fs shutdown(CVE-2026-45920)

    slip: bound decode() reads against the compressed packet length(CVE-2026-45843)

    net: use skb_header_pointer() for TCPv4 GSO frag_off check(CVE-2026-43036)

    net: bridge: mcast: always update mdb_n_entries for vlan contexts(CVE-2026-45913)

    net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-     leak(CVE-2026-43040)

    bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec()(CVE-2026-45839)

    iommu/vt-d: Flush dev-IOTLB only when PCIe device is accessible in scalable mode(CVE-2026-43130)

    PCI/P2PDMA: Release per-CPU pgmap ref when vm_insert_page() fails(CVE-2026-45880)

    bpf: fix end-of-list detection in cgroup_storage_get_next_key()(CVE-2026-45838)

    ipvs: skip ipv6 extension headers for csum checks(CVE-2026-45850)

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

    RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send(CVE-2026-45856)

    sched/fair: Fix zero_vruntime tracking fix(CVE-2026-43323)

    crypto: ccp: Don't attempt to copy CSR to userspace if PSP command failed(CVE-2026-31699)

    netfilter: ctnetlink: zero expect NAT fields when CTA_EXPECT_NAT absent(CVE-2026-43026)

    net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ(CVE-2026-43464)

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

    ipmi:ssif: Clean up kthread on errors(CVE-2026-46044)

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

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

    erofs: fix inline data read failure for ztailpacking pclusters(CVE-2026-45943)

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

Tenable has extracted the preceding description block directly from the EulerOS kernel 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.

  - net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ XDP multi-buf programs can modify the layout     of the XDP buffer when the program calls bpf_xdp_pull_data() or bpf_xdp_adjust_tail(). The referenced     commit in the fixes tag corrected the assumption in the mlx5 driver that the XDP buffer layout doesn't     change during a program execution. However, this fix introduced another issue: the dropped fragments still     need to be counted on the driver side to avoid page fragment reference counting issues. Such issue can be     observed with the test_xdp_native_adjst_tail_shrnk_data selftest when using a payload of 3600 and     shrinking by 256 bytes (an upcoming selftest patch): the last fragment gets released by the XDP code but     doesn't get tracked by the driver. This results in a negative pp_ref_count during page release and the     following splat: WARNING: include/net/page_pool/helpers.h:297 at     mlx5e_page_release_fragmented.isra.0+0x4a/0x50 [mlx5_core], CPU#12: ip/3137 Modules linked in: [...] CPU:
    12 UID: 0 PID: 3137 Comm: ip Not tainted 6.19.0-rc3+ #12 NONE Hardware name: QEMU Standard PC (Q35 + ICH9,     2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 RIP:
    0010:mlx5e_page_release_fragmented.isra.0+0x4a/0x50 [mlx5_core] [...] Call Trace: <TASK>     mlx5e_dealloc_rx_wqe+0xcb/0x1a0 [mlx5_core] mlx5e_free_rx_descs+0x7f/0x110 [mlx5_core]     mlx5e_close_rq+0x50/0x60 [mlx5_core] mlx5e_close_queues+0x36/0x2c0 [mlx5_core]     mlx5e_close_channel+0x1c/0x50 [mlx5_core] mlx5e_close_channels+0x45/0x80 [mlx5_core]     mlx5e_safe_switch_params+0x1a5/0x230 [mlx5_core] mlx5e_change_mtu+0xf3/0x2f0 [mlx5_core]     netif_set_mtu_ext+0xf1/0x230 do_setlink.isra.0+0x219/0x1180 rtnl_newlink+0x79f/0xb60     rtnetlink_rcv_msg+0x213/0x3a0 netlink_rcv_skb+0x48/0xf0 netlink_unicast+0x24a/0x350     netlink_sendmsg+0x1ee/0x410 __sock_sendmsg+0x38/0x60 ____sys_sendmsg+0x232/0x280 ___sys_sendmsg+0x78/0xb0
    __sys_sendmsg+0x5f/0xb0 [...] do_syscall_64+0x57/0xc50 This patch fixes the issue by doing page frag     counting on all the original XDP buffer fragments for all relevant XDP actions (XDP_TX , XDP_REDIRECT and     XDP_PASS). This is basically reverting to the original counting before the commit in the fixes tag. As     frag_page is still pointing to the original tail, the nr_frags parameter to xdp_update_skb_frags_info()     needs to be calculated in a different way to reflect the new nr_frags. (CVE-2026-43464)

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

ID	Name	Product	Family	Type	Severity
348386	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (NVIDIA Tegra) vulnerabilities (USN-8781-1)	Nessus	Ubuntu Local Security Checks	Local	high
347154	EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-3782)	Nessus	Huawei Local Security Checks	Local	high
346773	EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-3807)	Nessus	Huawei Local Security Checks	Local	high
313324	Linux Distros Unpatched Vulnerability : CVE-2026-43464	Nessus	Misc.	Local	high
311340	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1596)	Nessus	Amazon Linux Local Security Checks	Local	high

Detections

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CVE-2026-43464

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Tenable Plugins

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high