SB2025120840 - Memory leak in Linux kernel events intel
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025120840
CSH 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 vulnerability.
1) Memory leak (CVE-ID: CVE-2022-50615)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the snr_uncore_mmio_map() function in arch/x86/events/intel/uncore_snbep.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/433bd587dca5c3f7157fef2fe571290cd392cbf6
- https://git.kernel.org/stable/c/8ebd16c11c346751b3944d708e6c181ed4746c39
- https://git.kernel.org/stable/c/a67146437b6428069b71a7e5e740a2a8e1c40ac9
- https://git.kernel.org/stable/c/d2afced51108813256d8072c6e464b0c9f0bb890
- https://git.kernel.org/stable/c/dc7f07bc1ebb56a23fd1c4f664db5cbeb8900800
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2