{"id":"CVE-2026-93199","state":"PUBLISHED","title":"i3c: master: Do not treat master device as a duplicate target","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: master: Do not treat master device as a duplicate target\n\ni3c_master_search_i3c_dev_duplicate() searches the bus for another I3C\ndevice with the same PID as the reference device.  The search can match\nmaster->this, causing the controller itself to be returned as a\nduplicate.\n\nSince the controller is not a target device, it cannot be a duplicate of\none.  Exclude master->this from matching so that the function only\nreturns real duplicate target devices.","publishedAt":"2026-09-17T16:12:21.081Z","updatedAt":"2026-10-30T12:36:21.655Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"3728d90ec66d4ad33d357e7d6e82b02d34e1c99c","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"6f2340857fc206e7ebfc50c568fb65c3055e568b","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"d72a5e9060030a1c205b54157c15a428b741d83f","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"7b25b755d59077dd9484ba1360b8fe6396e5ccfb","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"533faf3d2e67ded0a62b7ba753c0fe993d1dfc26","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"d0cc00957292e353ad46039034cd8f82fc4f8057","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"150e71808d3715a0deefbb189c780d03fdbdc735","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"4dc1b3eeba7991905a5b5b8129ebea51be7d87b7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i3c/master.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.0","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i3c/master.c"]}],"references":["https://git.kernel.org/stable/c/3728d90ec66d4ad33d357e7d6e82b02d34e1c99c","https://git.kernel.org/stable/c/6f2340857fc206e7ebfc50c568fb65c3055e568b","https://git.kernel.org/stable/c/d72a5e9060030a1c205b54157c15a428b741d83f","https://git.kernel.org/stable/c/7b25b755d59077dd9484ba1360b8fe6396e5ccfb","https://git.kernel.org/stable/c/533faf3d2e67ded0a62b7ba753c0fe993d1dfc26","https://git.kernel.org/stable/c/d0cc00957292e353ad46039034cd8f82fc4f8057","https://git.kernel.org/stable/c/150e71808d3715a0deefbb189c780d03fdbdc735","https://git.kernel.org/stable/c/4dc1b3eeba7991905a5b5b8129ebea51be7d87b7"],"weaknesses":[],"ingestedAt":"2026-10-30T12:56:04.490Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93199.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93199","state":"PUBLISHED","datePublished":"2026-09-17T16:12:21.081Z","dateUpdated":"2026-10-30T12:36:21.655Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.092Z"},"containers":{"cna":{"title":"i3c: master: Do not treat master device as a duplicate target","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: master: Do not treat master device as a duplicate target\n\ni3c_master_search_i3c_dev_duplicate() searches the bus for another I3C\ndevice with the same PID as the reference device.  The search can match\nmaster->this, causing the controller itself to be returned as a\nduplicate.\n\nSince the controller is not a target device, it cannot be a duplicate of\none.  Exclude master->this from matching so that the function only\nreturns real duplicate target devices."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"3728d90ec66d4ad33d357e7d6e82b02d34e1c99c","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"6f2340857fc206e7ebfc50c568fb65c3055e568b","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"d72a5e9060030a1c205b54157c15a428b741d83f","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"7b25b755d59077dd9484ba1360b8fe6396e5ccfb","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"533faf3d2e67ded0a62b7ba753c0fe993d1dfc26","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"d0cc00957292e353ad46039034cd8f82fc4f8057","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"150e71808d3715a0deefbb189c780d03fdbdc735","versionType":"git"},{"version":"3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0","status":"affected","lessThan":"4dc1b3eeba7991905a5b5b8129ebea51be7d87b7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i3c/master.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.0","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i3c/master.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3728d90ec66d4ad33d357e7d6e82b02d34e1c99c"},{"url":"https://git.kernel.org/stable/c/6f2340857fc206e7ebfc50c568fb65c3055e568b"},{"url":"https://git.kernel.org/stable/c/d72a5e9060030a1c205b54157c15a428b741d83f"},{"url":"https://git.kernel.org/stable/c/7b25b755d59077dd9484ba1360b8fe6396e5ccfb"},{"url":"https://git.kernel.org/stable/c/533faf3d2e67ded0a62b7ba753c0fe993d1dfc26"},{"url":"https://git.kernel.org/stable/c/d0cc00957292e353ad46039034cd8f82fc4f8057"},{"url":"https://git.kernel.org/stable/c/150e71808d3715a0deefbb189c780d03fdbdc735"},{"url":"https://git.kernel.org/stable/c/4dc1b3eeba7991905a5b5b8129ebea51be7d87b7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:36:21.655Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}