SB20250226140 - Memory leak in Linux kernel trace
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226140
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-2022-49648)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the parse_var_defs() function in kernel/trace/trace_events_hist.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/22eeff55679d9e7c0f768c79bfbd83e2f8142d89
- https://git.kernel.org/stable/c/4d453eb5e1eec89971aa5b3262857ee26cfdffd3
- https://git.kernel.org/stable/c/78a1400c42ee11197eb1f0f85ba51df9a4fdfff0
- https://git.kernel.org/stable/c/7edc3945bdce9c39198a10d6129377a5c53559c2
- https://git.kernel.org/stable/c/eb622d5580b9e2ff694f62da6410618bd73853cb
- https://git.kernel.org/stable/c/ecc6dec12c33aa92c086cd702af9f544ddaf3c75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.207