SB2025100567 - Resource management error in Linux kernel xen driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100567
CSH 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 vulnerability.
1) Resource management error (CVE-ID: CVE-2022-50471)
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 gntdev_put_map(), gntdev_vma_close(), gntdev_invalidate() and gntdev_mmap() functions in drivers/xen/gntdev.c. 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/3c6a888e352283a14f37b9b433cd598a1a3a7dd0
- https://git.kernel.org/stable/c/4fb4053d90caa9985b87ec0e0c32c66a55bdfa3a
- https://git.kernel.org/stable/c/5c13a4a0291b30191eff9ead8d010e1ca43a4d0c
- https://git.kernel.org/stable/c/7c16d0a4e6a436b4e7c92bead3fab55aaa4c1141
- https://git.kernel.org/stable/c/cdafa219ace013c594e2491158ad1b51f9923dde
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3