{"id":"CVE-2026-93213","state":"PUBLISHED","title":"of: fix out-of-bounds read in of_alias_scan() stem parser","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: fix out-of-bounds read in of_alias_scan() stem parser\n\nThe stem parser tests isdigit(*(end - 1)) before checking end > start\nand so reads one byte before the property name when the name is empty\nor all digits. Check the bound first.","publishedAt":"2026-09-24T15:10:36.166Z","updatedAt":"2026-10-19T09:07:25.242Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"fd0c7bbda81c0e0c1cb7b68d267b87371584f560","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"da7a80ddc610a19b0378016a4d816b9355f013a7","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"96a9c984dd7c3589a2707a32b62802f98311dbfd","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"9253cfc5a85be1494ce56b4fc6f2d2b509440910","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"acd1b49043366f43e932308b4db7d3ce568eeadb","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.2","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/of/base.c"]}],"references":["https://git.kernel.org/stable/c/fd0c7bbda81c0e0c1cb7b68d267b87371584f560","https://git.kernel.org/stable/c/958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64","https://git.kernel.org/stable/c/f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a","https://git.kernel.org/stable/c/da7a80ddc610a19b0378016a4d816b9355f013a7","https://git.kernel.org/stable/c/96a9c984dd7c3589a2707a32b62802f98311dbfd","https://git.kernel.org/stable/c/9253cfc5a85be1494ce56b4fc6f2d2b509440910","https://git.kernel.org/stable/c/acd1b49043366f43e932308b4db7d3ce568eeadb","https://git.kernel.org/stable/c/5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93213.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93213","state":"PUBLISHED","datePublished":"2026-09-24T15:10:36.166Z","dateUpdated":"2026-10-19T09:07:25.242Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.093Z"},"containers":{"cna":{"title":"of: fix out-of-bounds read in of_alias_scan() stem parser","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: fix out-of-bounds read in of_alias_scan() stem parser\n\nThe stem parser tests isdigit(*(end - 1)) before checking end > start\nand so reads one byte before the property name when the name is empty\nor all digits. Check the bound first."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"fd0c7bbda81c0e0c1cb7b68d267b87371584f560","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"da7a80ddc610a19b0378016a4d816b9355f013a7","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"96a9c984dd7c3589a2707a32b62802f98311dbfd","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"9253cfc5a85be1494ce56b4fc6f2d2b509440910","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"acd1b49043366f43e932308b4db7d3ce568eeadb","versionType":"git"},{"version":"611cad720148c899db5a383c1c676fd820df7023","status":"affected","lessThan":"5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.2","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/of/base.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/fd0c7bbda81c0e0c1cb7b68d267b87371584f560"},{"url":"https://git.kernel.org/stable/c/958d7ee9fcf008ef9d2072c6410ee1bf6abf3b64"},{"url":"https://git.kernel.org/stable/c/f7f6c3e32a31f2e1ed12075e8cd22b370a84e67a"},{"url":"https://git.kernel.org/stable/c/da7a80ddc610a19b0378016a4d816b9355f013a7"},{"url":"https://git.kernel.org/stable/c/96a9c984dd7c3589a2707a32b62802f98311dbfd"},{"url":"https://git.kernel.org/stable/c/9253cfc5a85be1494ce56b4fc6f2d2b509440910"},{"url":"https://git.kernel.org/stable/c/acd1b49043366f43e932308b4db7d3ce568eeadb"},{"url":"https://git.kernel.org/stable/c/5bb01c657ff9fc807c2c592ca18af34c4fc3bc6f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:07:25.242Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}