Out-of-bounds read in Linux kernel - CVE-2022-49425

Vulnerability identifier: #VU104507

CSH Severity: Low

CVSS v4 BT: 4.3 [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]

CVE-ID: CVE-2022-49425

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to an out-of-bounds read error within the f2fs_drop_inmem_page() function in fs/f2fs/segment.c. A local user can perform a denial of service (DoS) attack.

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 5.18.3
kernel - update to 4.19.90-2504.1.0.0322
bpftool - update to 4.19.90-2504.1.0.0322
bpftool-debuginfo - update to 4.19.90-2504.1.0.0322
kernel-debuginfo - update to 4.19.90-2504.1.0.0322
kernel-debugsource - update to 4.19.90-2504.1.0.0322
kernel-devel - update to 4.19.90-2504.1.0.0322
kernel-source - update to 4.19.90-2504.1.0.0322
kernel-tools - update to 4.19.90-2504.1.0.0322
kernel-tools-debuginfo - update to 4.19.90-2504.1.0.0322
kernel-tools-devel - update to 4.19.90-2504.1.0.0322
perf - update to 4.19.90-2504.1.0.0322
perf-debuginfo - update to 4.19.90-2504.1.0.0322
python2-perf - update to 4.19.90-2504.1.0.0322
python2-perf-debuginfo - update to 4.19.90-2504.1.0.0322
python3-perf - update to 4.19.90-2504.1.0.0322
python3-perf-debuginfo - update to 4.19.90-2504.1.0.0322

• https://git.kernel.org/stable/c/2aaf51dd39afb6d01d13f1e6fe20b684733b37d5
• https://git.kernel.org/stable/c/385edd3ce5b4b1e9d31f474a5e35a39779ec1110
• https://git.kernel.org/stable/c/45b2b7d7108ae1e25a5036cab04ab9273e792332
• https://git.kernel.org/stable/c/51d584704d18e60fa473823654f35611c777b291
• https://git.kernel.org/stable/c/5e47a7add3dda7f236548c5ec3017776dc2a729f
• https://git.kernel.org/stable/c/b26e1c777890e4b938136deb8ec07a29f33862e4
• https://git.kernel.org/stable/c/ed7efc472c00986dcd6903ab6ed165c7fa167674
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3

• Out-of-bounds read in Linux kernel f2fs
• openEuler 20.03 LTS SP4 update for kernel