SB20250916420 - Memory leak in Linux kernel nfsd
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916420
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-2022-50348)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __cld_pipe_inprogress_downcall() function in fs/nfsd/nfs4recover.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/733dd17158f96aaa25408dc39bbb2738fda9300e
- https://git.kernel.org/stable/c/acc393aecda05bf64ed13b732931462e07a1bf08
- https://git.kernel.org/stable/c/aed8816305575b38dcc77feb6f1bc1d0ed32f5b8
- https://git.kernel.org/stable/c/cc3bca2110ac85cd964da997ef83d84cab0d49fb
- https://git.kernel.org/stable/c/e060c4b9f33c1fca74df26d57a98e784295327e6
- https://git.kernel.org/stable/c/fd1ef88049de09bc70d60b549992524cfc0e66ff
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.220
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1