SB20250816205 - openEuler 24.03 LTS SP2 update for kernel

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Main Vulnerability Database SB20250816205

SB20250816205 - openEuler 24.03 LTS SP2 update for kernel

Published: August 16, 2025 Updated: February 6, 2026

Security Bulletin ID SB20250816205
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 25% Low 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Resource management error (CVE-ID: CVE-2025-21868)

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 SKB_HEAD_ALIGN(), __netdev_alloc_skb() and napi_alloc_skb() functions in net/core/skbuff.c. A local user can perform a denial of service (DoS) attack.


2) NULL pointer dereference (CVE-ID: CVE-2025-22018)

CWE-ID: CWE-476 - NULL Pointer Dereference

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 NULL pointer dereference within the MPOA_cache_impos_rcvd() function in net/atm/mpc.c. A local user can perform a denial of service (DoS) attack.


3) Improper locking (CVE-ID: CVE-2025-22075)

CWE-ID: CWE-667 - Improper Locking

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 locking within the rtnl_vfinfo_size() function in net/core/rtnetlink.c. A local user can perform a denial of service (DoS) attack.


4) Race condition (CVE-ID: CVE-2025-38352)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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:A/U:Amber


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

The vulnerability exists due to a race condition within the run_posix_cpu_timers() function in kernel/time/posix-cpu-timers.c. A local user can escalate privileges on the system.

Note, the vulnerability is being actively exploited in the wild against Android devices.


Remediation

Install update from vendor's website.

References