SB20250226156 - Memory leak in Linux kernel xtensa kernel
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226156
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-2022-49682)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the calibrate_ccount() function in arch/xtensa/kernel/time.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/0dcc1dd8a5dd9240639f1051dfaa2dffc9fbbde5
- https://git.kernel.org/stable/c/0e403a383c14b63c86bd9df085b7e573e9caee64
- https://git.kernel.org/stable/c/3e5eb904d9ba657308fc75a5de434b0e58dcb8d7
- https://git.kernel.org/stable/c/7de4502af68f4f3932f450157f5483eb7b33cb74
- https://git.kernel.org/stable/c/a0117dc956429f2ede17b323046e1968d1849150
- https://git.kernel.org/stable/c/af0ff2da01521144bc11194f4c26485d7c9cee73
- https://git.kernel.org/stable/c/e5234a9d64a976abd134a14710dcd5188158a7c5
- https://git.kernel.org/stable/c/f1eaf4ba5372ad111f687a80c67e270708e14c23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.250