gpio: cdev: Avoid NULL dereference in linehandle_create()

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Summary

CVECVE-2026-46258
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-03 18:16:26 UTC
Updated2026-06-05 20:51:20 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandle_create() In linehandle_create(), there is a statement like this: retain_and_null_ptr(lh); Soon after, there is a debug printout that dereferences "lh", which will crash things. Avoid the crash by using handlereq.lines, which is the same value.

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.051530000 (date 2026-06-05)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected da7e394bf58f94e9783379fef7c7fb4411b03208 87b9d7a4cfbed5f42af440372026270af997c766 git Not specified
CNA Linux Linux affected da7e394bf58f94e9783379fef7c7fb4411b03208 6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e git Not specified
CNA Linux Linux affected 6.19 Not specified
CNA Linux Linux unaffected 6.19 semver Not specified
CNA Linux Linux unaffected 6.19.4 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/87b9d7a4cfbed5f42af440372026270af997c766 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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