{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64353", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.782Z", "datePublished": "2026-07-25T08:50:12.120Z", "dateUpdated": "2026-07-25T08:50:12.120Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:50:12.120Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Keep dynamic inner array lookups nullable\n\nAn ARRAY_OF_MAPS can use an array created with BPF_F_INNER_MAP as its\ninner map template. A concrete inner array with a different max_entries\nvalue can then replace the template.\n\nAfter a successful outer map lookup, the verifier represents the\nresulting map pointer using the inner map template. Const-key lookup\nnullness elision consequently uses the template max_entries even though\nthe runtime helper uses the concrete inner map max_entries.\n\nDo not elide lookup result nullness for maps marked with BPF_F_INNER_MAP,\nbecause the template max_entries does not prove that the key is in bounds\nfor the concrete runtime map."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/verifier.c"], "versions": [{"version": "d2102f2f5d75a84dbab6ff890359f0bd4a18ca22", "lessThan": "0b92ad64d6e4bde85e6b9888404f9a7a2b65d269", "status": "affected", "versionType": "git"}, {"version": "d2102f2f5d75a84dbab6ff890359f0bd4a18ca22", "lessThan": "d57db0d975053e01410c54e708a85b6d32ef2ebd", "status": "affected", "versionType": "git"}, {"version": "d2102f2f5d75a84dbab6ff890359f0bd4a18ca22", "lessThan": "53040a81ae57cdca8af8ac36fe4e661730cf7c6b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/verifier.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "6.14", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0b92ad64d6e4bde85e6b9888404f9a7a2b65d269"}, {"url": "https://git.kernel.org/stable/c/d57db0d975053e01410c54e708a85b6d32ef2ebd"}, {"url": "https://git.kernel.org/stable/c/53040a81ae57cdca8af8ac36fe4e661730cf7c6b"}], "title": "bpf: Keep dynamic inner array lookups nullable", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[d2102f2f5d75a84dbab6ff890359f0bd4a18ca22,0b92ad64d6e4bde85e6b9888404f9a7a2b65d269)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[d2102f2f5d75a84dbab6ff890359f0bd4a18ca22,d57db0d975053e01410c54e708a85b6d32ef2ebd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[d2102f2f5d75a84dbab6ff890359f0bd4a18ca22,53040a81ae57cdca8af8ac36fe4e661730cf7c6b)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-25T14:30:03.598306+00:00", "updated": "2026-07-25T14:30:03.598337+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}