SB20241022106 - Improper locking in Linux kernel io_uring
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022106
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-2024-50060)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __io_cqring_overflow_flush() function 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/a2493904e95ce94bbec819d8f7f03b99976eb25c
- https://git.kernel.org/stable/c/f4ce3b5d26ce149e77e6b8e8f2058aa80e5b034e
- https://git.kernel.org/stable/c/c2eadeafce2d385b3f6d26a7f31fee5aba2bbbb0
- https://git.kernel.org/stable/c/eac2ca2d682f94f46b1973bdf5e77d85d77b8e53
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.57