{"api_version":"1","generated_at":"2026-06-02T09:42:58+00:00","cve":"CVE-2026-46134","urls":{"html":"https://cve.report/CVE-2026-46134","api":"https://cve.report/api/cve/CVE-2026-46134.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46134","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46134"},"summary":{"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:28","updated_at":"2026-05-28 13:44:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/525cb7ba6661074c1c5cc3772bccc6afab6791ef","name":"https://git.kernel.org/stable/c/525cb7ba6661074c1c5cc3772bccc6afab6791ef","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435","name":"https://git.kernel.org/stable/c/23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3b13d5883a097f538fccbab1c61c95546d29621f","name":"https://git.kernel.org/stable/c/3b13d5883a097f538fccbab1c61c95546d29621f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46134","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46134","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 3b13d5883a097f538fccbab1c61c95546d29621f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3b00be26b16ad72c85624ada08cbae2d2c57b6e9 525cb7ba6661074c1c5cc3772bccc6afab6791ef git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.30 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.7 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"46134","cve":"CVE-2026-46134","epss":"0.000170000","percentile":"0.042650000","score_date":"2026-06-01","updated_at":"2026-06-02 00:05:20"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/platform/chrome/cros_typec_altmode.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"23ae72e8c2f1c1d1da8cbd479320ddcfcc9c7435","status":"affected","version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","versionType":"git"},{"lessThan":"3b13d5883a097f538fccbab1c61c95546d29621f","status":"affected","version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","versionType":"git"},{"lessThan":"525cb7ba6661074c1c5cc3772bccc6afab6791ef","status":"affected","version":"3b00be26b16ad72c85624ada08cbae2d2c57b6e9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/platform/chrome/cros_typec_altmode.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.30","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.7","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc3","versionStartIncluding":"6.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-05-28T09:35:48.624Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}],"title":"platform/chrome: cros_ec_typec: Init mutex in Thunderbolt registration","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46134","datePublished":"2026-05-28T09:35:48.624Z","dateReserved":"2026-05-13T15:03:33.099Z","dateUpdated":"2026-05-28T09:35:48.624Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:28","lastModifiedDate":"2026-05-28 13:44:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46134","Ordinal":"1","Title":"platform/chrome: cros_ec_typec: Init mutex in Thunderbolt regist","CVE":"CVE-2026-46134","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46134","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"platform/chrome: cros_ec_typec: Init mutex in Thunderbolt regist"}]}}}