SB2024112224 - NULL pointer dereference in Linux kernel virtio driver

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2024-53092)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the vp_avq_index() and vp_modern_avq_cleanup() functions in drivers/virtio/virtio_pci_modern.c, within the MODULE_PARM_DESC(), vp_del_vq(), vp_del_vqs() and vp_find_one_vq_msix() functions in drivers/virtio/virtio_pci_common.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/018d3d4ad4be7fbc95d8a2367642a32d21df55c7
• https://git.kernel.org/stable/c/97ee04feb682c906a1fa973ebe586fe91567d165
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.9
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12