platform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration

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Summary

CVECVE-2026-46134
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:28 UTC
Updated2026-05-28 13:44:01 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration cros_typec_register_thunderbolt() missed initializing the `adata->lock` mutex. This leads to a NULL dereference when the mutex is later acquired (e.g. in cros_typec_altmode_work()). Initialize the mutex in cros_typec_register_thunderbolt() to fix the issue.

Risk And Classification

EPSS: 0.000170000 probability, percentile 0.042650000 (date 2026-06-01)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435 git Not specified
CNA Linux Linux affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 3b13d5883a097f538fccbab1c61c95546d29621f git Not specified
CNA Linux Linux affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 525cb7ba6661074c1c5cc3772bccc6afab6791ef git Not specified
CNA Linux Linux affected 6.14 Not specified
CNA Linux Linux unaffected 6.14 semver Not specified
CNA Linux Linux unaffected 6.18.30 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.7 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/525cb7ba6661074c1c5cc3772bccc6afab6791ef 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3b13d5883a097f538fccbab1c61c95546d29621f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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