{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23062","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.953Z","datePublished":"2026-02-04T16:07:44.420Z","dateUpdated":"2026-05-11T21:59:15.864Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:59:15.864Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: hp-bioscfg: Fix kernel panic in GET_INSTANCE_ID macro\n\nThe GET_INSTANCE_ID macro that caused a kernel panic when accessing sysfs\nattributes:\n\n1. Off-by-one error: The loop condition used '<=' instead of '<',\n   causing access beyond array bounds. Since array indices are 0-based\n   and go from 0 to instances_count-1, the loop should use '<'.\n\n2. Missing NULL check: The code dereferenced attr_name_kobj->name\n   without checking if attr_name_kobj was NULL, causing a null pointer\n   dereference in min_length_show() and other attribute show functions.\n\nThe panic occurred when fwupd tried to read BIOS configuration attributes:\n\n  Oops: general protection fault [#1] SMP KASAN NOPTI\n  KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\n  RIP: 0010:min_length_show+0xcf/0x1d0 [hp_bioscfg]\n\nAdd a NULL check for attr_name_kobj before dereferencing and corrects\nthe loop boundary to match the pattern used elsewhere in the driver."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/hp/hp-bioscfg/bioscfg.h"],"versions":[{"version":"5f94f181ca25d8c5b77beb2da0cb466ddb6ece29","lessThan":"eb5ff1025c92117d5d1cc728bcfa294abe484da1","status":"affected","versionType":"git"},{"version":"5f94f181ca25d8c5b77beb2da0cb466ddb6ece29","lessThan":"eba49c1dee9c5e514ca18e52c545bba524e8a045","status":"affected","versionType":"git"},{"version":"5f94f181ca25d8c5b77beb2da0cb466ddb6ece29","lessThan":"193922a23d7294085a47d7719fdb7d66ad0a236f","status":"affected","versionType":"git"},{"version":"5f94f181ca25d8c5b77beb2da0cb466ddb6ece29","lessThan":"25150715e0b049b99df664daf05dab12f41c3e13","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/hp/hp-bioscfg/bioscfg.h"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","status":"unaffected","versionType":"semver"},{"version":"6.6.122","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.68","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.8","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"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"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/eb5ff1025c92117d5d1cc728bcfa294abe484da1"},{"url":"https://git.kernel.org/stable/c/eba49c1dee9c5e514ca18e52c545bba524e8a045"},{"url":"https://git.kernel.org/stable/c/193922a23d7294085a47d7719fdb7d66ad0a236f"},{"url":"https://git.kernel.org/stable/c/25150715e0b049b99df664daf05dab12f41c3e13"}],"title":"platform/x86: hp-bioscfg: Fix kernel panic in GET_INSTANCE_ID macro","x_generator":{"engine":"bippy-1.2.0"}}}}