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CVE-2026-68106

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Last modified

CVE-2026-68106 is a vulnerability of currently unknown severity. 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).

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)

Affected Software

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

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 52f9a588296432accf2982f7d258192a37562f4f; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ffb33d466a68cea3e8a3dbed04d79037a3cbabd1; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0c01c811be47e6b146552dd59bfedbea8f09b8f4; < 6.6.148; < 6.12.101; < 6.18.42; < 7.1.6
LinuxLinuxAll versions

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?
Severity scoring for CVE-2026-68106 is pending analysis.
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