{"id":"CVE-2026-43160","state":"PUBLISHED","title":"mfd: macsmc: Initialize mutex","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: macsmc: Initialize mutex\n\nInitialize struct apple_smc's mutex in apple_smc_probe(). Using the\nmutex uninitialized surprisingly resulted only in occasional NULL\npointer dereferences in apple_smc_read() calls from the probe()\nfunctions of sub devices.","publishedAt":"2026-05-06T11:27:39.223Z","updatedAt":"2026-05-11T22:18:55.379Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e038d985c9823a12cd64fa077d0c5aca2c644b67","status":"affected","lessThan":"a1e9e299c0d9ea42ab1067b39fb72e976d3f1bdb","versionType":"git"},{"version":"e038d985c9823a12cd64fa077d0c5aca2c644b67","status":"affected","lessThan":"2d5932588f029f7787f52c29174fead9bbc6b2cf","versionType":"git"},{"version":"e038d985c9823a12cd64fa077d0c5aca2c644b67","status":"affected","lessThan":"414f65d6736342c77d4ec5e7373039f4a09250dd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/macsmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/macsmc.c"]}],"references":["https://git.kernel.org/stable/c/a1e9e299c0d9ea42ab1067b39fb72e976d3f1bdb","https://git.kernel.org/stable/c/2d5932588f029f7787f52c29174fead9bbc6b2cf","https://git.kernel.org/stable/c/414f65d6736342c77d4ec5e7373039f4a09250dd"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43160.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43160","state":"PUBLISHED","datePublished":"2026-05-06T11:27:39.223Z","dateUpdated":"2026-05-11T22:18:55.379Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.990Z"},"containers":{"cna":{"title":"mfd: macsmc: Initialize mutex","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: macsmc: Initialize mutex\n\nInitialize struct apple_smc's mutex in apple_smc_probe(). Using the\nmutex uninitialized surprisingly resulted only in occasional NULL\npointer dereferences in apple_smc_read() calls from the probe()\nfunctions of sub devices."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e038d985c9823a12cd64fa077d0c5aca2c644b67","status":"affected","lessThan":"a1e9e299c0d9ea42ab1067b39fb72e976d3f1bdb","versionType":"git"},{"version":"e038d985c9823a12cd64fa077d0c5aca2c644b67","status":"affected","lessThan":"2d5932588f029f7787f52c29174fead9bbc6b2cf","versionType":"git"},{"version":"e038d985c9823a12cd64fa077d0c5aca2c644b67","status":"affected","lessThan":"414f65d6736342c77d4ec5e7373039f4a09250dd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/macsmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/macsmc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a1e9e299c0d9ea42ab1067b39fb72e976d3f1bdb"},{"url":"https://git.kernel.org/stable/c/2d5932588f029f7787f52c29174fead9bbc6b2cf"},{"url":"https://git.kernel.org/stable/c/414f65d6736342c77d4ec5e7373039f4a09250dd"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:18:55.379Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}