{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64288", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.778Z", "datePublished": "2026-07-25T08:49:28.789Z", "dateUpdated": "2026-07-25T08:49:28.789Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:49:28.789Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB\n\nVNCR TLB invalidation occurs from MMU notifiers or TLBI instructions,\nand either can race against a vcpu not being onlined yet (no pseudo-TLB\nallocated). Similarly, the TLB might be invalid, and the invalidation\nshould be skipped in this case.\n\nBoth kvm_invalidate_vncr_ipa() and kvm_invalidate_vncr_va() are\nexpected to perform the same checks, except that the latter doesn't\ncheck for the allocation and blindly dereferences the pointer.\n\nSolve this by introducing a new iterator built on top of the usual\nkvm_for_each_vcpu() that checks for both of the above conditions,\nand convert the two users to it."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/arm64/kvm/nested.c"], "versions": [{"version": "4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929", "lessThan": "7c73a269a880b1399baacfb9d521415e6ef7ecc2", "status": "affected", "versionType": "git"}, {"version": "4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929", "lessThan": "5fd30133af864a1de0a0bd87d3fe3cf23205fbc7", "status": "affected", "versionType": "git"}, {"version": "4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929", "lessThan": "4be6cbeb93d26994bd1827ddbce391e3c4395c8f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/arm64/kvm/nested.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "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": "6.16", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7c73a269a880b1399baacfb9d521415e6ef7ecc2"}, {"url": "https://git.kernel.org/stable/c/5fd30133af864a1de0a0bd87d3fe3cf23205fbc7"}, {"url": "https://git.kernel.org/stable/c/4be6cbeb93d26994bd1827ddbce391e3c4395c8f"}], "title": "KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929,7c73a269a880b1399baacfb9d521415e6ef7ecc2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929,5fd30133af864a1de0a0bd87d3fe3cf23205fbc7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929,4be6cbeb93d26994bd1827ddbce391e3c4395c8f)"}}], "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": "semver", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc1,*]"}}], "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": "2026-07-25T14:30:03.599122+00:00", "updated": "2026-07-25T14:30:03.599151+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}