SB2025122212 - Red Hat Enterprise Linux 9 update for kernel 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2025122212

SB2025122212 - Red Hat Enterprise Linux 9 update for kernel

Published: December 22, 2025

Security Bulletin ID SB2025122212
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper locking (CVE-ID: CVE-2025-39843)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the get_track(), set_track_update(), free_debug_processing(), ___slab_alloc() and free_to_partial_list() functions in mm/slub.c. A local user can perform a denial of service (DoS) attack.


2) Resource management error (CVE-ID: CVE-2025-39925)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the j1939_sk_netdev_event_netdown() function in net/can/j1939/socket.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References