SB2024082233 - Improper locking in Linux kernel fs
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082233
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-2022-48937)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the io_add_buffers() function in fs/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/4a93c6594613c3429b6f30136fff115c7f803af4
- https://git.kernel.org/stable/c/c718ea4e7382e18957ed0e88a5f855e2122d9c00
- https://git.kernel.org/stable/c/8f3cc3c5bc43d03b5748ac4fb8d180084952c36a
- https://git.kernel.org/stable/c/f240762f88b4b1b58561939ffd44837759756477
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17