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CVE-2026-46134

platform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration PUBLISHED

Description (CNA)

In 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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 before 23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435; affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 before 3b13d5883a097f538fccbab1c61c95546d29621f; affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 before 525cb7ba6661074c1c5cc3772bccc6afab6791ef
Linux / Linuxaffected 6.14; unaffected 0 before 6.14; unaffected 6.18.30 through 6.18.*; unaffected 7.0.7 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References