SB2025070531 - NULL pointer dereference in Linux kernel virt coco driver
Published: July 5, 2025
Security Bulletin ID
SB2025070531
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) NULL pointer dereference (CVE-ID: CVE-2025-38210)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the DECLARE_RWSEM(), tsm_report_privlevel_store(), tsm_report_privlevel_floor_show(), CONFIGFS_ATTR_RO(), tsm_report_read(), tsm_report_make_item(), tsm_register() and tsm_unregister() functions in drivers/virt/coco/tsm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.