drm/panel: Fix a possible null-pointer dereference in jdi_panel_dsi_remove()

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Summary

CVECVE-2026-43300
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 14:16:37 UTC
Updated2026-05-12 14:10:27 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/panel: Fix a possible null-pointer dereference in jdi_panel_dsi_remove() In jdi_panel_dsi_remove(), jdi is explicitly checked, indicating that it may be NULL: if (!jdi) mipi_dsi_detach(dsi); However, when jdi is NULL, the function does not return and continues by calling jdi_panel_disable(): err = jdi_panel_disable(&jdi->base); Inside jdi_panel_disable(), jdi is dereferenced unconditionally, which can lead to a NULL-pointer dereference: struct jdi_panel *jdi = to_panel_jdi(panel); backlight_disable(jdi->backlight); To prevent such a potential NULL-pointer dereference, return early from jdi_panel_dsi_remove() when jdi is NULL.

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.047270000 (date 2026-05-12)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 25205087df1ffe06ccea9302944ed1f77dc68c6f ec2f37bbb733cdd7ed7d04171fca728a532414d5 git Not specified
CNA Linux Linux affected 25205087df1ffe06ccea9302944ed1f77dc68c6f 2f5427d8726b22b807beec248d7d6bf88e291e0b git Not specified
CNA Linux Linux affected 25205087df1ffe06ccea9302944ed1f77dc68c6f 83ce0085fabf757b039322928188ad78e962d609 git Not specified
CNA Linux Linux affected 25205087df1ffe06ccea9302944ed1f77dc68c6f 95eed73b871111123a8b1d31cb1fce7e902e49ea git Not specified
CNA Linux Linux affected 6.7 Not specified
CNA Linux Linux unaffected 6.7 semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2f5427d8726b22b807beec248d7d6bf88e291e0b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/95eed73b871111123a8b1d31cb1fce7e902e49ea 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ec2f37bbb733cdd7ed7d04171fca728a532414d5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/83ce0085fabf757b039322928188ad78e962d609 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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