Memory leak in Linux kernel - CVE-2022-50343

 

Memory leak in Linux kernel - CVE-2022-50343

Published: September 17, 2025 / Updated: September 22, 2025


Vulnerability identifier: #VU115671
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-50343
CWE-ID: CWE-401
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 memory leak within the rio_setup_device() function in drivers/rapidio/rio-scan.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-2022-50343

Install update from vendor's repository.

Linux kernel - addressed in versions 4.9.337, 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2
kernel - update to 4.19.90-2509.6.0.0345
bpftool - update to 4.19.90-2509.6.0.0345
bpftool-debuginfo - update to 4.19.90-2509.6.0.0345
kernel-debuginfo - update to 4.19.90-2509.6.0.0345
kernel-debugsource - update to 4.19.90-2509.6.0.0345
kernel-devel - update to 4.19.90-2509.6.0.0345
kernel-source - update to 4.19.90-2509.6.0.0345
kernel-tools - update to 4.19.90-2509.6.0.0345
kernel-tools-debuginfo - update to 4.19.90-2509.6.0.0345
kernel-tools-devel - update to 4.19.90-2509.6.0.0345
perf - update to 4.19.90-2509.6.0.0345
perf-debuginfo - update to 4.19.90-2509.6.0.0345
python2-perf - update to 4.19.90-2509.6.0.0345
python2-perf-debuginfo - update to 4.19.90-2509.6.0.0345
python3-perf - update to 4.19.90-2509.6.0.0345
python3-perf-debuginfo - update to 4.19.90-2509.6.0.0345

External References

Related Security Bulletins