SB20240531473 - NULL pointer dereference in Linux kernel nfs flexfilelayout
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531473
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) NULL pointer dereference (CVE-ID: CVE-2024-26868)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ff_layout_cancel_io() function in fs/nfs/flexfilelayout/flexfilelayout.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/31db25e3141b20e2a76a9f219eeca52e3cab126c
- https://git.kernel.org/stable/c/7ca651b4ec4a049f5a46a0e5ff921b86b91c47c5
- https://git.kernel.org/stable/c/5ada9016b1217498fad876a3d5b07645cc955608
- https://git.kernel.org/stable/c/dac068f164ad05b35e7c0be13f138c3f6adca58f
- https://git.kernel.org/stable/c/719fcafe07c12646691bd62d7f8d94d657fa0766
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2