SB2025082058 - NULL pointer dereference in Linux kernel core
Published: August 20, 2025
Security Bulletin ID
SB2025082058
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-2025-38589)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the pneigh_queue_purge(), neigh_flush_dev() and __neigh_ifdown() functions in net/core/neighbour.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.