SB2024060557 - Buffer overflow in Linux kernel nfs filelayout
Published: June 5, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060557
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2021-47168)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the filelayout_decode_layout() function in fs/nfs/filelayout/filelayout.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9d280ab53df1d4a1043bd7a9e7c6a2f9cfbfe040
- https://git.kernel.org/stable/c/b287521e9e94bb342ebe5fd8c3fd7db9aef4e6f1
- https://git.kernel.org/stable/c/f299522eda1566cbfbae4b15c82970fc41b03714
- https://git.kernel.org/stable/c/945ebef997227ca8c20bad7f8a8358c8ee57a84a
- https://git.kernel.org/stable/c/e411df81cd862ef3d5b878120b2a2fef0ca9cdb1
- https://git.kernel.org/stable/c/9b367fe770b1b80d7bf64ed0d177544a44405f6e
- https://git.kernel.org/stable/c/d34fb628f6ef522f996205a9e578216bbee09e84
- https://git.kernel.org/stable/c/769b01ea68b6c49dc3cde6adf7e53927dacbd3a8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.193
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.271
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.271
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.124