{"id":"CVE-2026-93129","state":"PUBLISHED","title":"platform/x86: dell-wmi-base: Fix handling of ultra performance key","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: dell-wmi-base: Fix handling of ultra performance key\n\nThe commit message of commit 5fbd827eb9c2 (\"platform/x86: dell-wmi: Recognise or support new switches\")\nstates that the ultra performance key contains additional data\nafter the type and code fields. The event data passed to\ndell_wmi_process_key() is already parsed, so \"buffer\" already\nstarts after those two fields.\n\nUse the correct index for accessing the first data field to avoid\na potential buffer overread.","publishedAt":"2026-09-17T16:11:32.609Z","updatedAt":"2026-10-30T12:36:06.719Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"ef16f467393ca1a15ec8431fba5e67dd6071074e","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"30674a7bbf20311a0c4edd5edb9526ef1eecc692","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"ace1a687ea9ea70d17e3089ca173acfa1ec24412","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"16a82add1918d3aae1e0b68c0a983b6fc64f5062","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"392c19faec6bf4cb72fb02322e2a61e198dd8f72","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"adfd6846bea13667ff28f8aaf00c32fbd69825ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/dell-wmi-base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","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":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","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/platform/x86/dell/dell-wmi-base.c"]}],"references":["https://git.kernel.org/stable/c/ef16f467393ca1a15ec8431fba5e67dd6071074e","https://git.kernel.org/stable/c/30674a7bbf20311a0c4edd5edb9526ef1eecc692","https://git.kernel.org/stable/c/ace1a687ea9ea70d17e3089ca173acfa1ec24412","https://git.kernel.org/stable/c/16a82add1918d3aae1e0b68c0a983b6fc64f5062","https://git.kernel.org/stable/c/392c19faec6bf4cb72fb02322e2a61e198dd8f72","https://git.kernel.org/stable/c/adfd6846bea13667ff28f8aaf00c32fbd69825ab"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93129.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93129","state":"PUBLISHED","datePublished":"2026-09-17T16:11:32.609Z","dateUpdated":"2026-10-30T12:36:06.719Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.087Z"},"containers":{"cna":{"title":"platform/x86: dell-wmi-base: Fix handling of ultra performance key","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: dell-wmi-base: Fix handling of ultra performance key\n\nThe commit message of commit 5fbd827eb9c2 (\"platform/x86: dell-wmi: Recognise or support new switches\")\nstates that the ultra performance key contains additional data\nafter the type and code fields. The event data passed to\ndell_wmi_process_key() is already parsed, so \"buffer\" already\nstarts after those two fields.\n\nUse the correct index for accessing the first data field to avoid\na potential buffer overread."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"ef16f467393ca1a15ec8431fba5e67dd6071074e","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"30674a7bbf20311a0c4edd5edb9526ef1eecc692","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"ace1a687ea9ea70d17e3089ca173acfa1ec24412","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"16a82add1918d3aae1e0b68c0a983b6fc64f5062","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"392c19faec6bf4cb72fb02322e2a61e198dd8f72","versionType":"git"},{"version":"5fbd827eb9c224c33a5f263ee543a75fe957faa3","status":"affected","lessThan":"adfd6846bea13667ff28f8aaf00c32fbd69825ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/dell-wmi-base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","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":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","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/platform/x86/dell/dell-wmi-base.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/ef16f467393ca1a15ec8431fba5e67dd6071074e"},{"url":"https://git.kernel.org/stable/c/30674a7bbf20311a0c4edd5edb9526ef1eecc692"},{"url":"https://git.kernel.org/stable/c/ace1a687ea9ea70d17e3089ca173acfa1ec24412"},{"url":"https://git.kernel.org/stable/c/16a82add1918d3aae1e0b68c0a983b6fc64f5062"},{"url":"https://git.kernel.org/stable/c/392c19faec6bf4cb72fb02322e2a61e198dd8f72"},{"url":"https://git.kernel.org/stable/c/adfd6846bea13667ff28f8aaf00c32fbd69825ab"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:36:06.719Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}