SB2025022876 - Resource management error in Linux kernel x86 xen
Published: February 28, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022876
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2025-21818)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the SYM_FUNC_START() function in arch/x86/xen/xen-head.S. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/23f6f420cd727d641f95478fcf3bbbee41e4e5d6
- https://git.kernel.org/stable/c/242f7584da3ad041a9db809d33d27a8be8eccc29
- https://git.kernel.org/stable/c/4890a0858c09d96f3234a8f94663de80a7201bc4
- https://git.kernel.org/stable/c/522d726824cc570e0b6bf0b3af4d5a826f1b17c5
- https://git.kernel.org/stable/c/98a5cfd2320966f40fe049a9855f8787f0126825
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.78