SB2025112818 - openEuler 22.03 LTS SP4 update for kernel 



SB2025112818 - openEuler 22.03 LTS SP4 update for kernel

Published: November 28, 2025 Updated: January 16, 2026

Security Bulletin ID SB2025112818
Severity
Low
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-22121)

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

The vulnerability exists due to a use-after-free error within the __ext4_xattr_check_block(), __xattr_check_inode(), ext4_xattr_ibody_get(), ext4_xattr_ibody_list(), ext4_get_inode_usage(), ext4_xattr_ibody_find() and sizeof() functions in fs/ext4/xattr.c, within the ext4_iget_extra_inode() function in fs/ext4/inode.c. A local user can escalate privileges on the system.


2) Buffer overflow (CVE-ID: CVE-2025-39751)

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

The vulnerability exists due to memory corruption within the add_tuning_control() function in sound/pci/hda/patch_ca0132.c. A local user can escalate privileges on the system.


3) Input validation error (CVE-ID: CVE-2025-40019)

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

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


4) Memory leak (CVE-ID: CVE-2025-40183)

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

The vulnerability exists due to memory leak within the __bpf_redirect_neigh_v6() and __bpf_redirect_neigh_v4() functions in net/core/filter.c. A local user can perform a denial of service (DoS) attack.


5) Resource management error (CVE-ID: CVE-2025-40194)

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

The vulnerability exists due to resource management error within the update_qos_request() function in drivers/cpufreq/intel_pstate.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.