SB20251230144 - Memory leak in Linux kernel mcb driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230144
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-2022-50813)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mcb_probe() function in drivers/mcb/mcb-core.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/0468a585710bbb807a1b9c31df54bcf564d28b2b
- https://git.kernel.org/stable/c/0a23dda78946f604ff752fe223c3c1f4fa6dd7b4
- https://git.kernel.org/stable/c/0d1c2c8db28919c4351000d7c1692f1767bdc4f7
- https://git.kernel.org/stable/c/531ac7b911a962b3b29565dad6ea6b5c3fad3317
- https://git.kernel.org/stable/c/68e54d9ee8222d7805a0b9d3e1c37b8cf3be536a
- https://git.kernel.org/stable/c/6f3467aa5712e6b5550e75a16454b3f17aa1f380
- https://git.kernel.org/stable/c/d7237462561fcd224fa687c56ccb68629f50fc0d
- https://git.kernel.org/stable/c/e420ca85bf42a684ea729c505c07de6709500ed2
- https://git.kernel.org/stable/c/f3686e5e8de0a03c8e70e3ee0ce3078fed612909
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86