{"id":"CVE-2026-23131","state":"PUBLISHED","title":"platform/x86: hp-bioscfg: Fix kobject warnings for empty attribute names","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: hp-bioscfg: Fix kobject warnings for empty attribute names\n\nThe hp-bioscfg driver attempts to register kobjects with empty names when\nthe HP BIOS returns attributes with empty name strings. This causes\nmultiple kernel warnings:\n\n  kobject: (00000000135fb5e6): attempted to be registered with empty name!\n  WARNING: CPU: 14 PID: 3336 at lib/kobject.c:219 kobject_add_internal+0x2eb/0x310\n\nAdd validation in hp_init_bios_buffer_attribute() to check if the\nattribute name is empty after parsing it from the WMI buffer. If empty,\nlog a debug message and skip registration of that attribute, allowing the\nmodule to continue processing other valid attributes.","publishedAt":"2026-02-14T15:09:58.916Z","updatedAt":"2026-05-11T22:00:43.817Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"29917c80aa96a25cbcf5876fd774a1cfd72b01a9","versionType":"git"},{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"6476be59b7162b891b7bddbd0c2924d87379ef6c","versionType":"git"},{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"800b2767905d6b409b8bbe357121970f0b489a89","versionType":"git"},{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"fdee1b09721605f532352628d0a24623e7062efb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/hp/hp-bioscfg/bioscfg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/hp/hp-bioscfg/bioscfg.c"]}],"references":["https://git.kernel.org/stable/c/29917c80aa96a25cbcf5876fd774a1cfd72b01a9","https://git.kernel.org/stable/c/6476be59b7162b891b7bddbd0c2924d87379ef6c","https://git.kernel.org/stable/c/800b2767905d6b409b8bbe357121970f0b489a89","https://git.kernel.org/stable/c/fdee1b09721605f532352628d0a24623e7062efb"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23131.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23131","state":"PUBLISHED","datePublished":"2026-02-14T15:09:58.916Z","dateUpdated":"2026-05-11T22:00:43.817Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.971Z"},"containers":{"cna":{"title":"platform/x86: hp-bioscfg: Fix kobject warnings for empty attribute names","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: hp-bioscfg: Fix kobject warnings for empty attribute names\n\nThe hp-bioscfg driver attempts to register kobjects with empty names when\nthe HP BIOS returns attributes with empty name strings. This causes\nmultiple kernel warnings:\n\n  kobject: (00000000135fb5e6): attempted to be registered with empty name!\n  WARNING: CPU: 14 PID: 3336 at lib/kobject.c:219 kobject_add_internal+0x2eb/0x310\n\nAdd validation in hp_init_bios_buffer_attribute() to check if the\nattribute name is empty after parsing it from the WMI buffer. If empty,\nlog a debug message and skip registration of that attribute, allowing the\nmodule to continue processing other valid attributes."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"29917c80aa96a25cbcf5876fd774a1cfd72b01a9","versionType":"git"},{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"6476be59b7162b891b7bddbd0c2924d87379ef6c","versionType":"git"},{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"800b2767905d6b409b8bbe357121970f0b489a89","versionType":"git"},{"version":"a34fc329b1895fc8a6eb12099adc47009421ba6a","status":"affected","lessThan":"fdee1b09721605f532352628d0a24623e7062efb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/hp/hp-bioscfg/bioscfg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/hp/hp-bioscfg/bioscfg.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/29917c80aa96a25cbcf5876fd774a1cfd72b01a9"},{"url":"https://git.kernel.org/stable/c/6476be59b7162b891b7bddbd0c2924d87379ef6c"},{"url":"https://git.kernel.org/stable/c/800b2767905d6b409b8bbe357121970f0b489a89"},{"url":"https://git.kernel.org/stable/c/fdee1b09721605f532352628d0a24623e7062efb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:00:43.817Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}