Input validation error in Linux kernel - CVE-2022-49374
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104722
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-2022-49374
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the tipc_enable_bearer() function in net/tipc/bearer.c. A local user can perform a denial of service (DoS) attack.
Affected software
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
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
How to mitigate CVE-2022-49374
Install update from vendor's website.
Linux kernel - update to 4.19.247
kernel - update to 4.19.90-2504.2.0.0323
bpftool - update to 4.19.90-2504.2.0.0323
bpftool-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-debugsource - update to 4.19.90-2504.2.0.0323
kernel-devel - update to 4.19.90-2504.2.0.0323
kernel-source - update to 4.19.90-2504.2.0.0323
kernel-tools - update to 4.19.90-2504.2.0.0323
kernel-tools-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-tools-devel - update to 4.19.90-2504.2.0.0323
perf - update to 4.19.90-2504.2.0.0323
perf-debuginfo - update to 4.19.90-2504.2.0.0323
python2-perf - update to 4.19.90-2504.2.0.0323
python2-perf-debuginfo - update to 4.19.90-2504.2.0.0323
python3-perf - update to 4.19.90-2504.2.0.0323
python3-perf-debuginfo - update to 4.19.90-2504.2.0.0323
kernel - update to 4.19.90-2504.2.0.0323
bpftool - update to 4.19.90-2504.2.0.0323
bpftool-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-debugsource - update to 4.19.90-2504.2.0.0323
kernel-devel - update to 4.19.90-2504.2.0.0323
kernel-source - update to 4.19.90-2504.2.0.0323
kernel-tools - update to 4.19.90-2504.2.0.0323
kernel-tools-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-tools-devel - update to 4.19.90-2504.2.0.0323
perf - update to 4.19.90-2504.2.0.0323
perf-debuginfo - update to 4.19.90-2504.2.0.0323
python2-perf - update to 4.19.90-2504.2.0.0323
python2-perf-debuginfo - update to 4.19.90-2504.2.0.0323
python3-perf - update to 4.19.90-2504.2.0.0323
python3-perf-debuginfo - update to 4.19.90-2504.2.0.0323
External References
- https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7
- https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ec
- https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bb
- https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5
- https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39
- https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0
- https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.247