drm/rockchip: dw_dp: Fix null-ptr-deref in dw_dp_remove()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80658
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:50 UTC
Updated2026-08-28 08:16:50 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/rockchip: dw_dp: Fix null-ptr-deref in dw_dp_remove() Attempting to access driver data in the platform driver ->remove() callback may lead to a null pointer dereference since there is no guaranty that the component ->bind() callback invoking platform_set_drvdata() was executed. A common scenario is when Rockchip DRM driver didn't manage to run component_bind_all() because of an (unrelated) error causing early return from rockchip_drm_bind(). Drop the unnecessary call to platform_get_drvdata() and, instead, reference the target device structure via platform_device.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d68ba7bac9555d05e2f5b310c898b2a5c7eff174 b3ec263a719e0d499bd95d20012d90d7e8641655 git Not specified
CNA Linux Linux affected d68ba7bac9555d05e2f5b310c898b2a5c7eff174 33bc9fba3ae05863fabe3436ddca2ca4f4939c5e git Not specified
CNA Linux Linux affected d68ba7bac9555d05e2f5b310c898b2a5c7eff174 9456381d8b60bb7dd42f2f04afe5ee4ce6e0bc12 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/33bc9fba3ae05863fabe3436ddca2ca4f4939c5e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9456381d8b60bb7dd42f2f04afe5ee4ce6e0bc12 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b3ec263a719e0d499bd95d20012d90d7e8641655 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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