{"id":"CVE-2026-46134","state":"PUBLISHED","title":"platform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration\n\ncros_typec_register_thunderbolt() missed initializing the `adata->lock`\nmutex.  This leads to a NULL dereference when the mutex is later\nacquired (e.g. in cros_typec_altmode_work()).\n\nInitialize the mutex in cros_typec_register_thunderbolt() to fix the\nissue.","publishedAt":"2026-05-28T09:35:48.624Z","updatedAt":"2026-06-14T17:56:59.651Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","status":"affected","lessThan":"23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435","versionType":"git"},{"version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","status":"affected","lessThan":"3b13d5883a097f538fccbab1c61c95546d29621f","versionType":"git"},{"version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","status":"affected","lessThan":"525cb7ba6661074c1c5cc3772bccc6afab6791ef","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_typec_altmode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_typec_altmode.c"]}],"references":["https://git.kernel.org/stable/c/23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435","https://git.kernel.org/stable/c/3b13d5883a097f538fccbab1c61c95546d29621f","https://git.kernel.org/stable/c/525cb7ba6661074c1c5cc3772bccc6afab6791ef"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46134.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46134","state":"PUBLISHED","datePublished":"2026-05-28T09:35:48.624Z","dateUpdated":"2026-06-14T17:56:59.651Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.099Z"},"containers":{"cna":{"title":"platform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration\n\ncros_typec_register_thunderbolt() missed initializing the `adata->lock`\nmutex.  This leads to a NULL dereference when the mutex is later\nacquired (e.g. in cros_typec_altmode_work()).\n\nInitialize the mutex in cros_typec_register_thunderbolt() to fix the\nissue."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","status":"affected","lessThan":"23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435","versionType":"git"},{"version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","status":"affected","lessThan":"3b13d5883a097f538fccbab1c61c95546d29621f","versionType":"git"},{"version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","status":"affected","lessThan":"525cb7ba6661074c1c5cc3772bccc6afab6791ef","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_typec_altmode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_typec_altmode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435"},{"url":"https://git.kernel.org/stable/c/3b13d5883a097f538fccbab1c61c95546d29621f"},{"url":"https://git.kernel.org/stable/c/525cb7ba6661074c1c5cc3772bccc6afab6791ef"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:56:59.651Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}