Integer overflow in Linux kernel - CVE-2022-49289

Vulnerability identifier: #VU104777

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-2022-49289

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the arch/microblaze/include/asm/uaccess.h, arch/csky/include/asm/uaccess.h. A local user can execute arbitrary code.

Linux kernel
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo

Install update from vendor's website.

Linux kernel - update to 5.15.32
kernel - update to 4.19.90-2512.4.0.0356
bpftool - update to 4.19.90-2512.4.0.0356
bpftool-debuginfo - update to 4.19.90-2512.4.0.0356
kernel-debuginfo - update to 4.19.90-2512.4.0.0356
kernel-debugsource - update to 4.19.90-2512.4.0.0356
kernel-devel - update to 4.19.90-2512.4.0.0356
kernel-source - update to 4.19.90-2512.4.0.0356
kernel-tools - update to 4.19.90-2512.4.0.0356
kernel-tools-debuginfo - update to 4.19.90-2512.4.0.0356
kernel-tools-devel - update to 4.19.90-2512.4.0.0356
perf - update to 4.19.90-2512.4.0.0356
perf-debuginfo - update to 4.19.90-2512.4.0.0356
python2-perf - update to 4.19.90-2512.4.0.0356
python2-perf-debuginfo - update to 4.19.90-2512.4.0.0356
python3-perf - update to 4.19.90-2512.4.0.0356
python3-perf-debuginfo - update to 4.19.90-2512.4.0.0356

• https://git.kernel.org/stable/c/222ca305c9fd39e5ed8104da25c09b2b79a516a8
• https://git.kernel.org/stable/c/99801e2f457824955da4aadaa035913a6dede03a
• https://git.kernel.org/stable/c/a1ad747fc1a0e06d1bf26b996ee8a56b5c8d02d8
• https://git.kernel.org/stable/c/e65d28d4e9bf90a35ba79c06661a572a38391dec
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.32

• Integer overflow in Linux kernel include asm
• openEuler 20.03 LTS SP4 update for kernel