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CVE-2026-68106

HIGHCVSS 7.8/10EPSS 0.13%

Last modified

CVE-2026-68106 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix division by zero with invalid uvd dimensions When width or height is less than 16, width_in_mb or height_in_mb becomes 0, leading to fs_in_mb being 0. This causes a division by zero when calculating num_dpb_buffer in H264 and H264 Perf decode paths. Add validation to reject frames with width < 16 or height < 16 before performing any calculations that depend on these values. V2: Format change - move up all vaiable definitions. V3: Use warn_once to avoid spam. (cherry picked from commit 3e41d26c70b0a459d041cc19482a226c4b7423cb). EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix division by zero with invalid uvd dimensions When width or height is less than 16, width_in_mb or height_in_mb becomes 0, leading to fs_in_mb being 0. This causes a division by zero when calculating num_dpb_buffer in H264 and H264 Perf decode paths. Add validation to reject frames with width < 16 or height < 16 before performing any calculations that depend on these values. V2: Format change - move up all vaiable definitions. V3: Use warn_once to avoid spam. (cherry picked from commit 3e41d26c70b0a459d041cc19482a226c4b7423cb)

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.13%

2.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < 004d0453cfef16f056cb7b8bc04f69f19cf9df32; >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < 00ee64910ecf748cc15b23bbcbea472c203ec1e8; >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < 81c9b4921f62d1642b9d775524ae9240e521a5ed; >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < 52f9a588296432accf2982f7d258192a37562f4f; >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf; >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < ffb33d466a68cea3e8a3dbed04d79037a3cbabd1; >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc; >= d38ceaf99ed015f2a0b9af3499791bd3a3daae21, < 0c01c811be47e6b146552dd59bfedbea8f09b8f4
LinuxLinux4.2

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-68106?
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix division by zero with invalid uvd dimensions When width or height is less than 16, width_in_mb or height_in_mb becomes 0, leading to fs_in_mb being 0. This causes a division by zero when calculating num_dpb_buffer in H264 and H264 Perf decode paths. Add validation to reject frames with width < 16 or height < 16 before performing any calculations that depend on these values. V2: Format change - move up all vaiable definitions. V3: Use warn_once to avoid spam. (cherry picked from commit 3e41d26c70b0a459d041cc19482a226c4b7423cb)
How severe is CVE-2026-68106?
CVE-2026-68106 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-68106?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST