SB2024073173 - Improper locking in Linux kernel io_uring
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073173
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-2024-41080)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the io_register_iowq_max_workers() function in io_uring/register.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/b571a367502c7ef94c688ef9c7f7d69a2ce3bcca
- https://git.kernel.org/stable/c/73254a297c2dd094abec7c9efee32455ae875bdf
- 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-5.15.173
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.118
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.62