Race condition within a thread in Linux kernel - CVE-2022-49595

Vulnerability identifier: #VU104857

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-49595

CWE-ID: CWE-366

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to corrupt data.

The vulnerability exists due to a data race within the tcp_mtu_probe() function in net/ipv4/tcp_output.c. A local user can corrupt data.

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 5.18.15
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/44768749980d53bc01980d9c060f736808d11af0
• https://git.kernel.org/stable/c/92c0aa4175474483d6cf373314343d4e624e882a
• https://git.kernel.org/stable/c/96900fa61777402eb5056269d8000aace33a8b6c
• https://git.kernel.org/stable/c/9b5dc7ad6da1373d3c60d4b869d688f996e5d219
• https://git.kernel.org/stable/c/b04817c94fbd285a967d9b830b274fe9998c9c0b
• https://git.kernel.org/stable/c/d452ce36f2d4c402fa3f5275c9677f80166e7fc6
• https://git.kernel.org/stable/c/f524c3e7f6cdad66b3b6a912cef47b656f8b0de3
• https://git.kernel.org/stable/c/fa5fb2cf9393db898772db8cb897ed5fd265eb78
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.15

• Race condition within a thread in Linux kernel ipv4
• openEuler 20.03 LTS SP4 update for kernel