{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-26691", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.155Z", "datePublished": "2024-04-03T14:54:52.518Z", "dateUpdated": "2024-11-05T09:13:58.638Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:13:58.638Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/arm64/kvm/pkvm.c"], "versions": [{"version": "1da177e4c3f4", "lessThan": "3d16cebf0112", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "3ab1c40a1e91", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "10c02aad111d", "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/pkvm.c"], "versions": [{"version": "6.6.18", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.6", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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"}], "title": "KVM: arm64: Fix circular locking dependency", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "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": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:48:19.459Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:12.502Z"}, "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"]}]}]}}

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{"cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: KVM: arm64: corrige la dependencia de bloqueo circular La regla dentro de kvm exige que vcpu->mutex se tome *dentro* de kvm->lock. La regla es violada por pkvm_create_hyp_vm() que adquiere el bloqueo kvm->mientras ya mantiene el bloqueo vcpu->mutex de kvm_vcpu_ioctl(). Evite por completo la dependencia del bloqueo circular protegiendo el identificador hyp vm con config_lock, de forma muy similar a como lo hacemos con otras formas de datos con alcance de VM."}], "id": "CVE-2024-26691", "lastModified": "2024-04-03T17:24:18.150", "metrics": {}, "published": "2024-04-03T15:15:52.550", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/10c02aad111df02088d1a81792a709f6a7eca6cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ab1c40a1e915e350d9181a4603af393141970cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3d16cebf01127f459dcfeb79ed77bd68b124c228"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: KVM: arm64: Fix circular locking dependency", "id": "2273098", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273098"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nKVM: arm64: Fix circular locking dependency\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."], "name": "CVE-2024-26691", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26691\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26691\nhttps://lore.kernel.org/linux-cve-announce/2024040336-CVE-2024-26691-fff7@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.6.18, kernel 6.7.6, kernel 6.8"}