SB2025100823 - Memory leak in Linux kernel block
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100823
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-2022-50550)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the blkcg_init_disk() function in block/blk-cgroup.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/215f9437dda09531bcb80605298a24219f01cec5
- https://git.kernel.org/stable/c/2a126e1db5553ce4498290df019866952f858954
- https://git.kernel.org/stable/c/813e693023ba10da9e75067780f8378465bf27cc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2