CVE-2026-89827

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: avoid force-completing uninitialized UVD rings

uvd_v7_0_sw_init() does not initialize the UVD decode ring for an SR-IOV VF. However, amdgpu_uvd_resume() unconditionally force-completes the decode ring when restoring its fence sequence.

Skip fence completion when the fence driver is not initialized.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0a33b11d26c6b7e975b54d469a739ffac29f67ab < 967a179463d3227dfaf9200fd654c1f5a26a11e8affected
LinuxLinux0a33b11d26c6b7e975b54d469a739ffac29f67ab < 6760f5cb12d2366ddd58a2d8637f7583d73f596baffected
LinuxLinux6.5affected
LinuxLinux0 < 6.5unaffected
LinuxLinux7.2.5 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References