SB2025101320 - Red Hat Enterprise Linux 8 update for kernel 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2025101320

SB2025101320 - Red Hat Enterprise Linux 8 update for kernel

Published: October 13, 2025

Security Bulletin ID SB2025101320
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-38527)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the cifs_oplock_break() and cifs_put_tlink() functions in fs/smb/client/file.c. A local user can escalate privileges on the system.


2) Input validation error (CVE-ID: CVE-2025-39730)

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

The vulnerability exists due to improper input validation within the nfs_fh_to_dentry() function in fs/nfs/export.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References