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THREATINT
PUBLISHED

CVE-2025-38205

drm/amd/display: Avoid divide by zero by initializing dummy pitch to 1



Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid divide by zero by initializing dummy pitch to 1 [Why] If the dummy values in `populate_dummy_dml_surface_cfg()` aren't updated then they can lead to a divide by zero in downstream callers like CalculateVMAndRowBytes() [How] Initialize dummy value to a value to avoid divide by zero.

Reserved 2025-04-16 | Published 2025-07-04 | Updated 2025-07-07 | Assigner Linux

Product status

Default status
unaffected

7966f319c66d9468623c6a6a017ecbc0dd79be75 before 8044f981b2cf8c32fe1bd5d1fc991552cdf7ffe0
affected

7966f319c66d9468623c6a6a017ecbc0dd79be75 before 7e40f64896e8e3dca471e287672db5ace12ea0be
affected

Default status
affected

6.7
affected

Any version before 6.7
unaffected

6.15.4
unaffected

6.16-rc1
unaffected

References

git.kernel.org/...c/8044f981b2cf8c32fe1bd5d1fc991552cdf7ffe0

git.kernel.org/...c/7e40f64896e8e3dca471e287672db5ace12ea0be

cve.org (CVE-2025-38205)

nvd.nist.gov (CVE-2025-38205)

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