SB2025081392 - Red Hat Enterprise Linux 8 update for kernel



SB2025081392 - Red Hat Enterprise Linux 8 update for kernel

Published: August 13, 2025

Security Bulletin ID SB2025081392
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-23150)

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

The vulnerability exists due to a use-after-free error within the do_split() function in fs/ext4/namei.c. A local user can escalate privileges on the system.


2) Buffer overflow (CVE-ID: CVE-2022-50020)

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

The vulnerability exists due to memory corruption within the ext4_resize_fs() function in fs/ext4/resize.c. A local user can escalate privileges on the system.


3) Use of uninitialized resource (CVE-ID: CVE-2025-38086)

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

The vulnerability exists due to use of uninitialized resource within the ch9200_mdio_read() function in drivers/net/usb/ch9200.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.