SB2024071379 - Improper locking in Linux kernel io_uring
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071379
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-2024-40922)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the io_rsrc_ref_quiesce() function in io_uring/rsrc.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/0c9df3df0c888d9ec8d11a68474a4aa04d371cff
- https://git.kernel.org/stable/c/4429c6c77e176a4c5aa7a3bbd1632f9fc0582518
- https://git.kernel.org/stable/c/54559642b96116b45e4b5ca7fd9f7835b8561272
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35