SB20250620127 - Integer overflow in Linux kernel bpf
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620127
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2022-50167)
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.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/063e092534d4c6785228e5b1eb6e9329f66ccbe4
- https://git.kernel.org/stable/c/3c7256b880b3a5aa1895fd169a34aa4224a11862
- https://git.kernel.org/stable/c/87ac0d600943994444e24382a87aa19acc4cd3d4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0