CVEvulnerability
CVE-2021-32847
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-02-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-125
Description
HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f.
Affected configurations
• mobyproject hyperkit (<= 0.20210107)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316 Exploit, Product
- https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f Patch
- https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/ Exploit, Third Party Advisory
- https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316 Exploit, Product
- https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f Patch
- https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/ Exploit, Third Party Advisory