SB20250226568 - Double free in Linux kernel trace
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226568
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) Double free (CVE-ID: CVE-2022-49410)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the init_var_ref() 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/058cb6d86b9789377216c936506b346aaa1eb581
- https://git.kernel.org/stable/c/37443b3508b8cce6832f8d25cb4550b2f7801f50
- https://git.kernel.org/stable/c/4fdfb15e08598711dbf50daf56a33965232daf0e
- https://git.kernel.org/stable/c/99696a2592bca641eb88cc9a80c90e591afebd0f
- https://git.kernel.org/stable/c/bd83ff3bbfb003832481c9bff999d12385f396ae
- https://git.kernel.org/stable/c/c27f744ceefadc7bbeb14233b6abc150ced617d2
- https://git.kernel.org/stable/c/f8b383f83cb573152c577eca1ef101e89995b72a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.247