SB2024112047 - Improper locking in Linux kernel io_uring
Published: November 20, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024112047
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-2024-53052)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the io_write_prep() and io_write() functions in io_uring/io_uring.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/485d9232112b17f389b29497ff41b97b3189546b
- https://git.kernel.org/stable/c/4e24041ba86d50aaa4c792ae2c88ed01b3d96243
- https://git.kernel.org/stable/c/9e8debb8e51354b201db494689198078ec2c1e75
- https://git.kernel.org/stable/c/003d2996964c03dfd34860500428f4cdf1f5879e
- https://git.kernel.org/stable/c/26b8c48f369b7591f5679e0b90612f4862a32929
- https://git.kernel.org/stable/c/1d60d74e852647255bd8e76f5a22dc42531e4389
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.230
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.172
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60