Input validation error in Linux kernel - CVE-2022-49374

 

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

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

External References

Related Security Bulletins