164 lines
7.9 KiB
JSON
164 lines
7.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-23062",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-01-13T15:37:45.953Z",
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"datePublished": "2026-02-04T16:07:44.420Z",
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"dateUpdated": "2026-05-11T21:59:15.864Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T21:59:15.864Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"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."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/platform/x86/hp/hp-bioscfg/bioscfg.h"
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],
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"versions": [
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{
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"version": "5f94f181ca25d8c5b77beb2da0cb466ddb6ece29",
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"lessThan": "eb5ff1025c92117d5d1cc728bcfa294abe484da1",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "5f94f181ca25d8c5b77beb2da0cb466ddb6ece29",
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"lessThan": "eba49c1dee9c5e514ca18e52c545bba524e8a045",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "5f94f181ca25d8c5b77beb2da0cb466ddb6ece29",
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"lessThan": "193922a23d7294085a47d7719fdb7d66ad0a236f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "5f94f181ca25d8c5b77beb2da0cb466ddb6ece29",
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"lessThan": "25150715e0b049b99df664daf05dab12f41c3e13",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/platform/x86/hp/hp-bioscfg/bioscfg.h"
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],
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"versions": [
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{
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"version": "6.6",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.6",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.122",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.68",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.8",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.19",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.6.122"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.12.68"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.18.8"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.19"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/eb5ff1025c92117d5d1cc728bcfa294abe484da1"
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},
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{
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"url": "https://git.kernel.org/stable/c/eba49c1dee9c5e514ca18e52c545bba524e8a045"
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},
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{
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"url": "https://git.kernel.org/stable/c/193922a23d7294085a47d7719fdb7d66ad0a236f"
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},
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{
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"url": "https://git.kernel.org/stable/c/25150715e0b049b99df664daf05dab12f41c3e13"
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}
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],
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"title": "platform/x86: hp-bioscfg: Fix kernel panic in GET_INSTANCE_ID macro",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |