cve-2024-26691
Vulnerability from cvelistv5
Published
2024-04-03 14:54
Modified
2024-08-02 00:14
Severity
Summary
KVM: arm64: Fix circular locking dependency
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10c02aad111df02088d1a81792a709f6a7eca6cc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ab1c40a1e915e350d9181a4603af393141970cc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3d16cebf01127f459dcfeb79ed77bd68b124c228
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26691\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T15:15:52.550\",\"lastModified\":\"2024-04-03T17:24:18.150\",\"vulnStatus\":\"Awaiting Analysis\",\"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-\u003emutex is taken *inside*\\nkvm-\u003elock. The rule is violated by the pkvm_create_hyp_vm() which acquires\\nthe kvm-\u003elock while already holding the vcpu-\u003emutex 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-\u0026gt;mutex se tome *dentro* de kvm-\u0026gt;lock. La regla es violada por pkvm_create_hyp_vm() que adquiere el bloqueo kvm-\u0026gt;mientras ya mantiene el bloqueo vcpu-\u0026gt;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.\"}],\"metrics\":{},\"references\":[{\"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\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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