{
    "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"
            }
        }
    }
}