Integer overflow in Linux kernel - CVE-2022-50167

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Main Vulnerability Database Vulnerabilities #VU111623

Integer overflow in Linux kernel - CVE-2022-50167

Published: June 20, 2025 / Updated: June 21, 2025


Vulnerability identifier: #VU111623
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-2022-50167
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 array_map_alloc(), array_map_lookup_elem(), array_map_update_elem(), array_map_free_timers(), array_map_free(), bpf_array_map_seq_start(), bpf_array_map_seq_next() and bpf_for_each_array_elem() functions in kernel/bpf/arraymap.c. A local user can execute arbitrary code.


Affected software

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

How to mitigate CVE-2022-50167

Install update from vendor's repository.

Linux kernel - addressed in versions 5.18.18, 5.19.2, 6.0
patch-kernel - addressed in versions 5.10.0-182.0.0.95, 5.10.0-216.0.0.115
kernel - addressed in versions 5.10.0-182.0.0.95, 5.10.0-216.0.0.115, 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
python3-perf-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
python3-perf - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
perf-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
perf - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-tools-devel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-tools-debuginfo - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-tools - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-source - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-headers - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-devel - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
kernel-debugsource - addressed in versions 5.10.0-270.0.0.172, 5.10.0-270.0.0.173
bpftool-debuginfo - update to 5.10.0-270.0.0.173
bpftool - update to 5.10.0-270.0.0.173

External References

Related Security Bulletins