What’s Vulnerable › Vulnerabilities

CVE-2026-89827: drm/amdgpu: avoid force-completing uninitialized UVD rings

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-10-21

Description

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 products

• Linux kernel: 6.5 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/668cfb8ab3e22c10fe74307aac86b3cf456d6923
• https://git.kernel.org/stable/c/6760f5cb12d2366ddd58a2d8637f7583d73f596b
• https://git.kernel.org/stable/c/863f08c485fbb51b6443681893e4044c7cb6cd51
• https://git.kernel.org/stable/c/967a179463d3227dfaf9200fd654c1f5a26a11e8
• https://git.kernel.org/stable/c/dc136795f9997adc8d3219f40e8e3afa7df7183f

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