SB20260812281 - Race condition in Linux kernel drm imagination driver

Description

This security bulletin contains information about 1 vulnerability.

1) Race condition (CVE-ID: CVE-2026-68260)

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

CVSSv4: 6.8 [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]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a race condition leading to a NULL pointer dereference in the PowerVR GPU virtual memory mapping logic when performing map or unmap operations while a find operation is in progress. A local user can issue crafted ioctl requests to trigger the NULL pointer dereference and cause a denial of service.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/15f58d44c24477a6ebffa44ec05207b81cfa55d9
• https://git.kernel.org/stable/c/17e2030f37600994440f875dc410615d5c66ee6d
• https://git.kernel.org/stable/c/1f1f2618e44b21a7d4eb30d3bbd7e015ffbbbadf
• https://git.kernel.org/stable/c/6253bb56bb2ebdf317d8b599ce737a2510cc2e17