SB2024091891 - NULL pointer dereference in Linux kernel apparmor
Published: September 18, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091891
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-2024-46721)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the __aafs_profile_mkdir() function in security/apparmor/apparmorfs.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/8d9da10a392a32368392f7a16775e1f36e2a5346
- https://git.kernel.org/stable/c/730ee2686af0d55372e97a2695005ff142702363
- https://git.kernel.org/stable/c/52338a3aa772762b8392ce7cac106c1099aeab85
- https://git.kernel.org/stable/c/e3c7d23f7a5c0b11ba0093cea32261ab8098b94e
- https://git.kernel.org/stable/c/09b2d107fe63e55b6ae643f9f26bf8eb14a261d9
- https://git.kernel.org/stable/c/59f742e55a469ef36c5c1533b6095a103b61eda8
- https://git.kernel.org/stable/c/c49bbe69ee152bd9c1c1f314c0f582e76c578f64
- https://git.kernel.org/stable/c/3dd384108d53834002be5630132ad5c3f32166ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.109
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.50