CVE-2024-26691 (GCVE-0-2024-26691)

Vulnerability from cvelistv5 – Published: 2024-04-03 14:54 – Updated: 2025-12-20 08:51
VLAI?
Title
KVM: arm64: Fix circular locking dependency
Summary
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix circular locking dependency The rule inside kvm enforces that the vcpu->mutex is taken *inside* kvm->lock. The rule is violated by the pkvm_create_hyp_vm() which acquires the kvm->lock while already holding the vcpu->mutex lock from kvm_vcpu_ioctl(). Avoid the circular locking dependency altogether by protecting the hyp vm handle with the config_lock, much like we already do for other forms of VM-scoped data.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 3d16cebf01127f459dcfeb79ed77bd68b124c228 (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 3ab1c40a1e915e350d9181a4603af393141970cc (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 10c02aad111df02088d1a81792a709f6a7eca6cc (git)
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    Linux Linux Affected: 3.11
Unaffected: 0 , < 3.11 (semver)
Unaffected: 6.6.18 , ≤ 6.6.* (semver)
Unaffected: 6.7.6 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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