{"id":"CVE-2026-89444","state":"PUBLISHED","title":"platform/x86: dell-wmi-sysman: Don't hex dump attribute security buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: dell-wmi-sysman: Don't hex dump attribute security buffer\n\nset_attribute() populates the security area of the BIOS attribute request\nbuffer with the current admin password via populate_security_buffer(), then\ndumps the whole request buffer with print_hex_dump_bytes(). This can expose\nthe plaintext admin password in the kernel log.\n\nThe same issue was fixed for the password attribute path by\ncommit d1a196e0a6dc (\"platform/x86: dell-wmi-sysman: Don't hex dump\nplaintext password data\"). Remove the remaining dump from the BIOS\nattribute path.","publishedAt":"2026-09-11T19:43:12.076Z","updatedAt":"2026-10-19T08:46:53.734Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"23ba9a18896e198f837ae54be99c8852c41890f7","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"26f554f9f0fb603f76291c10b1cf979241bd2273","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"44ec7f1113309a93d0f250bcd49285d21dd1470e","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"ceeee18c927958b74a04b92cf084fc496fa21e8b","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"22222f92b0a5116eb4aac4be81e7b770adfa32ee","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"eb73b9d51490bec4f73ac6efdba5ac535fcfee74","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"83c80495e45eddf64c6525fb582d8db68f256b71","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/dell-wmi-sysman/biosattr-interface.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","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/platform/x86/dell/dell-wmi-sysman/biosattr-interface.c"]}],"references":["https://git.kernel.org/stable/c/23ba9a18896e198f837ae54be99c8852c41890f7","https://git.kernel.org/stable/c/26f554f9f0fb603f76291c10b1cf979241bd2273","https://git.kernel.org/stable/c/44ec7f1113309a93d0f250bcd49285d21dd1470e","https://git.kernel.org/stable/c/ceeee18c927958b74a04b92cf084fc496fa21e8b","https://git.kernel.org/stable/c/22222f92b0a5116eb4aac4be81e7b770adfa32ee","https://git.kernel.org/stable/c/eb73b9d51490bec4f73ac6efdba5ac535fcfee74","https://git.kernel.org/stable/c/83c80495e45eddf64c6525fb582d8db68f256b71"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89444.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89444","state":"PUBLISHED","datePublished":"2026-09-11T19:43:12.076Z","dateUpdated":"2026-10-19T08:46:53.734Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.704Z"},"containers":{"cna":{"title":"platform/x86: dell-wmi-sysman: Don't hex dump attribute security buffer","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: dell-wmi-sysman: Don't hex dump attribute security buffer\n\nset_attribute() populates the security area of the BIOS attribute request\nbuffer with the current admin password via populate_security_buffer(), then\ndumps the whole request buffer with print_hex_dump_bytes(). This can expose\nthe plaintext admin password in the kernel log.\n\nThe same issue was fixed for the password attribute path by\ncommit d1a196e0a6dc (\"platform/x86: dell-wmi-sysman: Don't hex dump\nplaintext password data\"). Remove the remaining dump from the BIOS\nattribute path."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"23ba9a18896e198f837ae54be99c8852c41890f7","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"26f554f9f0fb603f76291c10b1cf979241bd2273","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"44ec7f1113309a93d0f250bcd49285d21dd1470e","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"ceeee18c927958b74a04b92cf084fc496fa21e8b","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"22222f92b0a5116eb4aac4be81e7b770adfa32ee","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"eb73b9d51490bec4f73ac6efdba5ac535fcfee74","versionType":"git"},{"version":"e8a60aa7404bfef37705da5607c97737073ac38d","status":"affected","lessThan":"83c80495e45eddf64c6525fb582d8db68f256b71","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/dell-wmi-sysman/biosattr-interface.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","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/platform/x86/dell/dell-wmi-sysman/biosattr-interface.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/23ba9a18896e198f837ae54be99c8852c41890f7"},{"url":"https://git.kernel.org/stable/c/26f554f9f0fb603f76291c10b1cf979241bd2273"},{"url":"https://git.kernel.org/stable/c/44ec7f1113309a93d0f250bcd49285d21dd1470e"},{"url":"https://git.kernel.org/stable/c/ceeee18c927958b74a04b92cf084fc496fa21e8b"},{"url":"https://git.kernel.org/stable/c/22222f92b0a5116eb4aac4be81e7b770adfa32ee"},{"url":"https://git.kernel.org/stable/c/eb73b9d51490bec4f73ac6efdba5ac535fcfee74"},{"url":"https://git.kernel.org/stable/c/83c80495e45eddf64c6525fb582d8db68f256b71"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:46:53.734Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}