SB20250502206 - Improper locking in Linux kernel netfs
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502206
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) Improper locking (CVE-ID: CVE-2022-49810)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the netfs_rreq_unmark_after_write() function in fs/netfs/io.c, within the netfs_rreq_unlock_folios() function in fs/netfs/buffered_read.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.