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Wed, 10 Jun 2026 17:30:00 +0000
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ssvc
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Wed, 10 Jun 2026 03:00:00 +0000
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Cloudhypervisor
Cloudhypervisor cloud Hypervisor |
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| Vendors & Products |
Cloudhypervisor
Cloudhypervisor cloud Hypervisor |
Tue, 09 Jun 2026 23:30:00 +0000
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| Description | Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. From version 21.0 to before version 51.2, a guest can cause a use-after-free in the cloud-hypervisor process by submitting two virtio-block descriptor chains that reuse the same head_index while asynchronous block I/O is enabled (e.g. io_uring, aio). When the kernel completes the duplicate operation before the original, the completion path frees a bounce buffer that the kernel is still actively reading from or writing to, corrupting the freed memory. This issue has been patched in versions 51.2 and 52.0. | |
| Title | Cloud Hypervisor: Use-after-free in virtio-block Async I/O Completion | |
| Weaknesses | CWE-416 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-10T16:32:33.406Z
Reserved: 2026-05-13T07:45:21.252Z
Link: CVE-2026-45782
Updated: 2026-06-10T16:02:10.071Z
Status : Deferred
Published: 2026-06-10T00:16:53.267
Modified: 2026-06-10T20:58:26.290
Link: CVE-2026-45782
No data.
OpenCVE Enrichment
Updated: 2026-06-10T02:45:15Z