{"id":"CVE-2024-36953","state":"PUBLISHED","title":"KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()\n\nvgic_v2_parse_attr() is responsible for finding the vCPU that matches\nthe user-provided CPUID, which (of course) may not be valid. If the ID\nis invalid, kvm_get_vcpu_by_id() returns NULL, which isn't handled\ngracefully.\n\nSimilar to the GICv3 uaccess flow, check that kvm_get_vcpu_by_id()\nactually returns something and fail the ioctl if not.","publishedAt":"2024-05-30T15:35:48.070Z","updatedAt":"2026-05-11T20:17:41.394Z","severity":{"score":4.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7d450e2821710718fd6703e9c486249cee913bab","status":"affected","lessThan":"4404465a1bee3607ad90a4c5f9e16dfd75b85728","versionType":"git"},{"version":"7d450e2821710718fd6703e9c486249cee913bab","status":"affected","lessThan":"17db92da8be5dd3bf63c01f4109fe47db64fc66f","versionType":"git"},{"version":"7d450e2821710718fd6703e9c486249cee913bab","status":"affected","lessThan":"3a5b0378ac6776c7c31b18e0f3c1389bd6005e80","versionType":"git"},{"version":"7d450e2821710718fd6703e9c486249cee913bab","status":"affected","lessThan":"8d6a1c8e3de36cb0f5e866f1a582b00939e23104","versionType":"git"},{"version":"7d450e2821710718fd6703e9c486249cee913bab","status":"affected","lessThan":"01981276d64e542c177b243f7c979fee855d5487","versionType":"git"},{"version":"7d450e2821710718fd6703e9c486249cee913bab","status":"affected","lessThan":"6ddb4f372fc63210034b903d96ebbeb3c7195adb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/vgic/vgic-kvm-device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"5.10.217","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.159","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.91","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.31","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.8.10","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/vgic/vgic-kvm-device.c"]}],"references":["https://git.kernel.org/stable/c/4404465a1bee3607ad90a4c5f9e16dfd75b85728","https://git.kernel.org/stable/c/17db92da8be5dd3bf63c01f4109fe47db64fc66f","https://git.kernel.org/stable/c/3a5b0378ac6776c7c31b18e0f3c1389bd6005e80","https://git.kernel.org/stable/c/8d6a1c8e3de36cb0f5e866f1a582b00939e23104","https://git.kernel.org/stable/c/01981276d64e542c177b243f7c979fee855d5487","https://git.kernel.org/stable/c/6ddb4f372fc63210034b903d96ebbeb3c7195adb","https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:30.303Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/36xxx/CVE-2024-36953.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-36953","state":"PUBLISHED","datePublished":"2024-05-30T15:35:48.070Z","dateUpdated":"2026-05-11T20:17:41.394Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-30T15:25:07.080Z"},"containers":{"cna":{"title":"KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()\n\nvgic_v2_parse_attr() is responsible for finding the vCPU that matches\nthe user-provided CPUID, which (of course) may not be valid. If the ID\nis invalid, kvm_get_vcpu_by_id() returns NULL, which isn't handled\ngracefully.\n\nSimilar to the GICv3 uaccess flow, check that kvm_get_vcpu_by_id()\nactually returns something and fail the ioctl if 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