{"id":"CVE-2024-26691","state":"PUBLISHED","title":"KVM: arm64: Fix circular locking dependency","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Fix circular locking dependency\n\nThe rule inside kvm enforces that the vcpu->mutex is taken *inside*\nkvm->lock. The rule is violated by the pkvm_create_hyp_vm() which acquires\nthe kvm->lock while already holding the vcpu->mutex lock from\nkvm_vcpu_ioctl(). Avoid the circular locking dependency altogether by\nprotecting the hyp vm handle with the config_lock, much like we already\ndo for other forms of VM-scoped data.","publishedAt":"2024-04-03T14:54:52.518Z","updatedAt":"2026-05-11T20:02:20.082Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6211753fdfd05af9e08f54c8d0ba3ee516034878","status":"affected","lessThan":"3d16cebf01127f459dcfeb79ed77bd68b124c228","versionType":"git"},{"version":"6211753fdfd05af9e08f54c8d0ba3ee516034878","status":"affected","lessThan":"3ab1c40a1e915e350d9181a4603af393141970cc","versionType":"git"},{"version":"6211753fdfd05af9e08f54c8d0ba3ee516034878","status":"affected","lessThan":"10c02aad111df02088d1a81792a709f6a7eca6cc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/pkvm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.11","versionType":"semver"},{"version":"6.6.18","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.6","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","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/pkvm.c"]}],"references":["https://git.kernel.org/stable/c/3d16cebf01127f459dcfeb79ed77bd68b124c228","https://git.kernel.org/stable/c/3ab1c40a1e915e350d9181a4603af393141970cc","https://git.kernel.org/stable/c/10c02aad111df02088d1a81792a709f6a7eca6cc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26691.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-26691","state":"PUBLISHED","datePublished":"2024-04-03T14:54:52.518Z","dateUpdated":"2026-05-11T20:02:20.082Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-19T14:20:24.155Z"},"containers":{"cna":{"title":"KVM: arm64: Fix circular locking dependency","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Fix circular locking dependency\n\nThe rule inside kvm enforces that the vcpu->mutex is taken *inside*\nkvm->lock. The rule is violated by the pkvm_create_hyp_vm() which acquires\nthe kvm->lock while already holding the vcpu->mutex lock from\nkvm_vcpu_ioctl(). Avoid the circular locking dependency altogether by\nprotecting the hyp vm handle with the config_lock, much like we already\ndo for other forms of VM-scoped data."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6211753fdfd05af9e08f54c8d0ba3ee516034878","status":"affected","lessThan":"3d16cebf01127f459dcfeb79ed77bd68b124c228","versionType":"git"},{"version":"6211753fdfd05af9e08f54c8d0ba3ee516034878","status":"affected","lessThan":"3ab1c40a1e915e350d9181a4603af393141970cc","versionType":"git"},{"version":"6211753fdfd05af9e08f54c8d0ba3ee516034878","status":"affected","lessThan":"10c02aad111df02088d1a81792a709f6a7eca6cc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kvm/pkvm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.11","versionType":"semver"},{"version":"6.6.18","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.6","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","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/pkvm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3d16cebf01127f459dcfeb79ed77bd68b124c228"},{"url":"https://git.kernel.org/stable/c/3ab1c40a1e915e350d9181a4603af393141970cc"},{"url":"https://git.kernel.org/stable/c/10c02aad111df02088d1a81792a709f6a7eca6cc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:02:20.082Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.11","versionEndExcluding":"6.6.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.11","versionEndExcluding":"6.7.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.11","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-26691","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-04-05T18:06:14.355944Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:48:19.459Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/3d16cebf01127f459dcfeb79ed77bd68b124c228","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3ab1c40a1e915e350d9181a4603af393141970cc","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/10c02aad111df02088d1a81792a709f6a7eca6cc","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T00:14:12.502Z"}}]}}}