SB20251230317 - Input validation error in Linux kernel bpf
Published: December 30, 2025
Security Bulletin ID
SB20251230317
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-2022-50883)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the btf_func_proto_check() function in kernel/bpf/btf.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/329a76635548ee8fceb3b78c7d54d96524e80925
- https://git.kernel.org/stable/c/3f3d54962a032581996edda8e6bcbf7a30371234
- https://git.kernel.org/stable/c/89357aa97b521fca76e39d81e2b1ac5edb3d0b96
- https://git.kernel.org/stable/c/b327c68ace71ba9cb3105ae6a5955a229e9bdca3
- https://git.kernel.org/stable/c/e6d276dcc9204f95632580c43d66c52ca502d7ec
- https://git.kernel.org/stable/c/f17472d4599697d701aa239b4c475a506bccfd19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2