SB2025031259 - NULL pointer dereference in Linux kernel
Published: March 12, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025031259
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-2025-21846)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the do_acct_process(), acct_pin_kill(), close_work(), encode_float() and fill_ac() functions in kernel/acct.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/56d5f3eba3f5de0efdd556de4ef381e109b973a9
- https://git.kernel.org/stable/c/5a59ced8ffc71973d42c82484a719c8f6ac8f7f7
- https://git.kernel.org/stable/c/5c928e14a2ccd99462f2351ead627b58075bb736
- https://git.kernel.org/stable/c/5ee8da9bea70dda492d61f075658939af33d8410
- https://git.kernel.org/stable/c/a8136afca090412a36429cb6c2543c714d9c0f84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.5