Integer overflow in Linux kernel - CVE-2022-49030

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Main Vulnerability Database Vulnerabilities #VU99089

Integer overflow in Linux kernel - CVE-2022-49030

Published: October 22, 2024 / Updated: May 12, 2025


Vulnerability identifier: #VU99089
CSH Severity: Low
CVSS v4 BT: 5.9 [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/E:U/U:Clear]
CVE-ID: CVE-2022-49030
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the ring_buffer__add() function in tools/lib/bpf/ringbuf.c. A local user can execute arbitrary code.


Affected software

Linux kernel
openEuler
kernel
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-headers
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo

How to mitigate CVE-2022-49030

Install update from vendor's website.

Linux kernel - addressed in versions 5.10.158, 5.15.82, 6.0.12, 6.1
kernel - update to 5.10.0-136.99.0.180
kernel-debuginfo - update to 5.10.0-136.99.0.180
kernel-debugsource - update to 5.10.0-136.99.0.180
kernel-devel - update to 5.10.0-136.99.0.180
kernel-headers - update to 5.10.0-136.99.0.180
kernel-source - update to 5.10.0-136.99.0.180
kernel-tools - update to 5.10.0-136.99.0.180
kernel-tools-debuginfo - update to 5.10.0-136.99.0.180
kernel-tools-devel - update to 5.10.0-136.99.0.180
perf - update to 5.10.0-136.99.0.180
perf-debuginfo - update to 5.10.0-136.99.0.180
python3-perf - update to 5.10.0-136.99.0.180
python3-perf-debuginfo - update to 5.10.0-136.99.0.180

External References

Related Security Bulletins