Use after free in Linux kernel - CVE-2023-0030

Vulnerability identifier: #VU92732

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-0030

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to execute arbitrary code.

A use-after-free flaw was found in the Linux kernel's nouveau driver in how a user triggers a memory overflow that causes the nvkm_vma_tail function to fail. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Linux kernel
Anolis OS
kernel
bpftool
python3-perf
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
kernel-modules-internal
kernel-modules-extra
kernel-modules
kernel-headers
kernel-devel
kernel-debug-modules-extra
kernel-debug-modules
kernel-debug-devel
kernel-debug
kernel-debug-core
python-perf
kernel-core

Install update from vendor's repository.

kernel - addressed in versions 4.19.91-27.2, 4.19.91-28
bpftool - addressed in versions 4.19.91-27.2, 4.19.91-28
python3-perf - addressed in versions 4.19.91-27.2, 4.19.91-28
perf - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-tools-libs-devel - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-tools-libs - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-tools - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-modules-internal - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-modules-extra - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-modules - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-headers - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-devel - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-debug-modules-extra - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-debug-modules - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-debug-devel - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-debug - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-debug-core - addressed in versions 4.19.91-27.2, 4.19.91-28
python-perf - addressed in versions 4.19.91-27.2, 4.19.91-28
kernel-core - addressed in versions 4.19.91-27.2, 4.19.91-28

• https://github.com/torvalds/linux/commit/729eba3355674f2d9524629b73683ba1d1cd3f10
• https://bugzilla.redhat.com/show_bug.cgi?id=2157270
• https://security.netapp.com/advisory/ntap-20230413-0010/

• Use after free in Linux kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel