{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53032",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.380Z",
        "datePublished": "2026-06-24T16:29:39.916Z",
        "dateUpdated": "2026-06-24T16:29:39.916Z"
    },
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-24T16:29:39.916Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix NULL deref in map_kptr_match_type for scalar regs\n\nCommit ab6c637ad027 (\"bpf: Fix a bpf_kptr_xchg() issue with local\nkptr\") refactored map_kptr_match_type() to branch on btf_is_kernel()\nbefore checking base_type(). A scalar register stored into a kptr\nslot has no btf, so the btf_is_kernel(reg->btf) call dereferences\nNULL.\n\nMove the base_type() != PTR_TO_BTF_ID guard before any reg->btf\naccess."
                }
            ],
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/bpf/verifier.c"
                    ],
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                            "version": "ab6c637ad0276e42f8acabcbc64932a6d346dab3",
                            "lessThan": "520454e839710c327808c2fcc98e28cee77355fc",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "ab6c637ad0276e42f8acabcbc64932a6d346dab3",
                            "lessThan": "0a36c1f72888bca0237295a4da19cd91821a90be",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "ab6c637ad0276e42f8acabcbc64932a6d346dab3",
                            "lessThan": "6982653ce5f119982aa58f1af58e7bfbebf39252",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "ab6c637ad0276e42f8acabcbc64932a6d346dab3",
                            "lessThan": "da1d615ce49a47986a8864e2371a26e97861085c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ab6c637ad0276e42f8acabcbc64932a6d346dab3",
                            "lessThan": "4d0a375887ab4d49e4da1ff10f9606cab8f7c3ad",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af3d2e0f3a54e67806959d161e613457772babc5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4782968e0d631b0d8944dcfd4bf8fb49be087101",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.4.16",
                            "lessThan": "6.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.3",
                            "lessThan": "6.6",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/bpf/verifier.c"
                    ],
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                        {
                            "version": "6.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.141",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.91",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.33",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.10",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/520454e839710c327808c2fcc98e28cee77355fc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0a36c1f72888bca0237295a4da19cd91821a90be"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6982653ce5f119982aa58f1af58e7bfbebf39252"
                },
                {
                    "url": "https://git.kernel.org/stable/c/da1d615ce49a47986a8864e2371a26e97861085c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4d0a375887ab4d49e4da1ff10f9606cab8f7c3ad"
                }
            ],
            "title": "bpf: Fix NULL deref in map_kptr_match_type for scalar regs",
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