{"id":"CVE-2026-64105","state":"PUBLISHED","title":"KVM: arm64: vgic: Free private_irqs when init fails after allocation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: vgic: Free private_irqs when init fails after allocation\n\nCompanion to commit 250f25367b58 (\"KVM: arm64: Tear down vGIC on\nfailed vCPU creation\"), which added the missing kvm_vgic_vcpu_destroy()\ncall to the kvm_share_hyp() failure path in kvm_arch_vcpu_create(). The\nkvm_vgic_vcpu_init() failure path immediately above it has the same\nshape and still needs the same cleanup.\n\nCall kvm_vgic_vcpu_destroy() when kvm_vgic_vcpu_init() fails so private\nIRQs allocated before a redistributor iodev registration failure are\nreleased before the failed vCPU is freed.","publishedAt":"2026-07-19T15:40:08.605Z","updatedAt":"2026-07-19T15:40:08.605Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"173fb86e5519dbe7aabed1f5fa7456152a4a2e38","versionType":"git"},{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"7023900b4988fb6f4a59d304d878003ff562e98d","versionType":"git"},{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"e690caa54a6139d98495ac69626807623520babd","versionType":"git"},{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"f19c354dbd457759dfcf1195ab4bdba2bb568323","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/arm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.92","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/arm.c"]}],"references":["https://git.kernel.org/stable/c/173fb86e5519dbe7aabed1f5fa7456152a4a2e38","https://git.kernel.org/stable/c/7023900b4988fb6f4a59d304d878003ff562e98d","https://git.kernel.org/stable/c/e690caa54a6139d98495ac69626807623520babd","https://git.kernel.org/stable/c/f19c354dbd457759dfcf1195ab4bdba2bb568323"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64105.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64105","state":"PUBLISHED","datePublished":"2026-07-19T15:40:08.605Z","dateUpdated":"2026-07-19T15:40:08.605Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T07:54:57.034Z"},"containers":{"cna":{"title":"KVM: arm64: vgic: Free private_irqs when init fails after allocation","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: vgic: Free private_irqs when init fails after allocation\n\nCompanion to commit 250f25367b58 (\"KVM: arm64: Tear down vGIC on\nfailed vCPU creation\"), which added the missing kvm_vgic_vcpu_destroy()\ncall to the kvm_share_hyp() failure path in kvm_arch_vcpu_create(). The\nkvm_vgic_vcpu_init() failure path immediately above it has the same\nshape and still needs the same cleanup.\n\nCall kvm_vgic_vcpu_destroy() when kvm_vgic_vcpu_init() fails so private\nIRQs allocated before a redistributor iodev registration failure are\nreleased before the failed vCPU is freed."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"173fb86e5519dbe7aabed1f5fa7456152a4a2e38","versionType":"git"},{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"7023900b4988fb6f4a59d304d878003ff562e98d","versionType":"git"},{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"e690caa54a6139d98495ac69626807623520babd","versionType":"git"},{"version":"03b3d00a70b55857439511c1b558ca00a99f4126","status":"affected","lessThan":"f19c354dbd457759dfcf1195ab4bdba2bb568323","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/arm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.92","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/arm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/173fb86e5519dbe7aabed1f5fa7456152a4a2e38"},{"url":"https://git.kernel.org/stable/c/7023900b4988fb6f4a59d304d878003ff562e98d"},{"url":"https://git.kernel.org/stable/c/e690caa54a6139d98495ac69626807623520babd"},{"url":"https://git.kernel.org/stable/c/f19c354dbd457759dfcf1195ab4bdba2bb568323"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-07-19T15:40:08.605Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.12.92"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.18.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}