SB2025110305 - Red Hat Enterprise Linux 9 update for kernel



SB2025110305 - Red Hat Enterprise Linux 9 update for kernel

Published: November 3, 2025

Security Bulletin ID SB2025110305
CSH 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 vulnerabilities.


1) Resource management error (CVE-ID: CVE-2025-39702)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to resource management error within the seg6_hmac_validate_skb() function in net/ipv6/seg6_hmac.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2022-50367)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


3) Input validation error (CVE-ID: CVE-2023-53494)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper input validation within the xts_encrypt_done() and xts_decrypt_done() functions in crypto/xts.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.