PT-2026-44257 · Linux · Linux

Published 2026-05-28 · Updated 2026-05-28 · CVE-2026-46134

Mitre

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.

Related Identifiers

CVE-2026-46134

Affected Products

Linux

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-46134 · Security Note
• https://git.kernel.org/stable/c/23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435 · Note
• https://git.kernel.org/stable/c/525cb7ba6661074c1c5cc3772bccc6afab6791ef · Note
• https://git.kernel.org/stable/c/3b13d5883a097f538fccbab1c61c95546d29621f · Note