SB2025040296 - Improper error handling in Linux kernel trace
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040296
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) Improper error handling (CVE-ID: CVE-2025-21899)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the event_hist_trigger_parse() 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/435d2964af815aae456db554c62963b4515f19d0
- https://git.kernel.org/stable/c/43b254d46c740bf9dbe65709afa021dd726dfa99
- https://git.kernel.org/stable/c/5ae1b18f05ee2b849dc03b6c15d7da0c1c6efa77
- https://git.kernel.org/stable/c/6f86bdeab633a56d5c6dccf1a2c5989b6a5e323e
- https://git.kernel.org/stable/c/f1ae50cfb818ce1ac7a674406dfadb7653e2552d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.6