SB2024062748 - Input validation error in Linux kernel bpf
Published: June 27, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062748
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2024-36918)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the test_fail_cases() function in tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c, within the bloom_map_get_next_key() and bloom_map_check_btf() functions in kernel/bpf/bloom_filter.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/fa6995eeb62e74b5a1480c73fb7b420c270784d3
- https://git.kernel.org/stable/c/608e13706c8b6c658a0646f09ebced74ec367f7c
- https://git.kernel.org/stable/c/c418afb9bf23e2f2b76cb819601e4a5d9dbab42d
- https://git.kernel.org/stable/c/a8d89feba7e54e691ca7c4efc2a6264fa83f3687
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10