In the Linux kernel, the following vulnerability has been resolved: virtio: break and reset virtio devices on device_shutdown() Hongyu reported a hang on kexec in a VM. QEMU reported invalid memory accesses during the hang. Invalid read at addr 0x102877002, size 2, region '(null)', reason: rejected Invalid write at addr 0x102877A44, size 2, region '(null)', reason: rejected ... It was traced down to virtio-console. Kexec works fine if virtio-console is not in use. The issue is that virtio-console continues to write to the MMIO even after underlying virtio-pci device is reset. Additionally, Eric noticed that IOMMUs are reset before devices, if devices are not reset on shutdown they continue to poke at guest memory and get errors from the IOMMU. Some devices get wedged then. The problem can be solved by breaking all virtio devices on virtio bus shutdown, then resetting them.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1130 advisory.

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

    virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

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

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

The version of kernel installed on the remote host is prior to 5.4.296-217.423. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2025-105 advisory.

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

    net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null (CVE-2022-50073)

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

    btrfs: don't abort filesystem when attempting to snapshot deleted subvolume (CVE-2024-26644)

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

    ACPI: PAD: fix crash in exit_round_robin() (CVE-2024-49935)

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

    serial: mctrl_gpio: split disable_ms into sync and no_sync APIs (CVE-2025-38040)

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

    virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

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

    RDMA/mlx5: Fix error flow upon firmware failure for RQ destruction (CVE-2025-38161)

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.

The version of kernel installed on the remote host is prior to 5.15.189-131.202. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2025-086 advisory.

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

    net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null (CVE-2022-50073)

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

    codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() (CVE-2025-37798)

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

    xsk: Fix race condition in AF_XDP generic RX path (CVE-2025-37920)

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

    sch_htb: make htb_qlen_notify() idempotent (CVE-2025-37932)

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

    serial: mctrl_gpio: split disable_ms into sync and no_sync APIs (CVE-2025-38040)

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

    virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

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

    rseq: Fix segfault on registration when rseq_cs is non-zero (CVE-2025-38067)

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.

The version of kernel installed on the remote host is prior to 5.10.240-238.955. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2025-100 advisory.

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

    KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT (CVE-2022-50224)

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

    ACPI: PAD: fix crash in exit_round_robin() (CVE-2024-49935)

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

    codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() (CVE-2025-37798)

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

    sch_htb: make htb_qlen_notify() idempotent (CVE-2025-37932)

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

    serial: mctrl_gpio: split disable_ms into sync and no_sync APIs (CVE-2025-38040)

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

    virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

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

    rseq: Fix segfault on registration when rseq_cs is non-zero (CVE-2025-38067)

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

    net_sched: sch_sfq: reject invalid perturb period (CVE-2025-38193)

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.

The version of kernel installed on the remote host is prior to 4.14.355-280.664. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2955 advisory.

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

    net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null (CVE-2022-50073)

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

    SUNRPC: Fix a server shutdown leak (CVE-2023-53131)

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

    codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() (CVE-2025-37798)

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

    sch_htb: make htb_qlen_notify() idempotent (CVE-2025-37932)

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

    __legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock (CVE-2025-38058)

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

    virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

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

    mpls: Use rcu_dereference_rtnl() in mpls_route_input_rcu(). (CVE-2025-38324)

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.

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

  - virtio: break and reset virtio devices on device_shutdown() Hongyu reported a hang on kexec in a VM. QEMU     reported invalid memory accesses during the hang. Invalid read at addr 0x102877002, size 2, region     '(null)', reason: rejected Invalid write at addr 0x102877A44, size 2, region '(null)', reason: rejected     ... It was traced down to virtio-console. Kexec works fine if virtio-console is not in use. The issue is     that virtio-console continues to write to the MMIO even after underlying virtio-pci device is reset.
    Additionally, Eric noticed that IOMMUs are reset before devices, if devices are not reset on shutdown they     continue to poke at guest memory and get errors from the IOMMU. Some devices get wedged then. The problem     can be solved by breaking all virtio devices on virtio bus shutdown, then resetting them. (CVE-2025-38064)

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

The version of kernel installed on the remote host is prior to 5.15.187-130.192. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2025-084 advisory.

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

    btrfs: don't drop extent_map for free space inode on write error (CVE-2024-26726)

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

    tracing: Verify event formats that have %*p.. (CVE-2025-37938)

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

    net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY (CVE-2025-37945)

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

    genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie (CVE-2025-38062)

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

    virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

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	Severity
243505	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1130)	Nessus	Amazon Linux Local Security Checks	medium
243437	Amazon Linux 2 : kernel (ALASKERNEL-5.4-2025-105)	Nessus	Amazon Linux Local Security Checks	medium
243433	Amazon Linux 2 : kernel (ALASKERNEL-5.15-2025-086)	Nessus	Amazon Linux Local Security Checks	high
243424	Amazon Linux 2 : kernel (ALASKERNEL-5.10-2025-100)	Nessus	Amazon Linux Local Security Checks	medium
243420	Amazon Linux 2 : kernel (ALAS-2025-2955)	Nessus	Amazon Linux Local Security Checks	high
243340	Linux Distros Unpatched Vulnerability : CVE-2025-38064	Nessus	Misc.	high
243200	Amazon Linux 2 : kernel (ALASKERNEL-5.15-2025-084)	Nessus	Amazon Linux Local Security Checks	medium

Detections

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CVE-2025-38064

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Tenable Plugins

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medium