SB2025050277 - Memory leak in Linux kernel bpf
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050277
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) Memory leak (CVE-ID: CVE-2022-49837)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __check_func_call() and prepare_func_exit() functions in kernel/bpf/verifier.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/83946d772e756734a900ef99dbe0aeda506adf37
- https://git.kernel.org/stable/c/d4944497827a3d14bc5a26dbcfb7433eb5a956c0
- https://git.kernel.org/stable/c/eb86559a691cea5fa63e57a03ec3dc9c31e97955
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1