Vulnerability Details CVE-2021-32847
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.1%
CVSS Severity
CVSS v3 Score 7.1
References
- https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316
- https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f
- https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/
- https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316
- https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f
- https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/
Products affected by CVE-2021-32847
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cpe:2.3:a:mobyproject:hyperkit:-
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cpe:2.3:a:mobyproject:hyperkit:0.20170214
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cpe:2.3:a:mobyproject:hyperkit:0.20170227
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cpe:2.3:a:mobyproject:hyperkit:0.20170425
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cpe:2.3:a:mobyproject:hyperkit:0.20170511
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cpe:2.3:a:mobyproject:hyperkit:0.20170519
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cpe:2.3:a:mobyproject:hyperkit:0.20170904
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cpe:2.3:a:mobyproject:hyperkit:0.20171020
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cpe:2.3:a:mobyproject:hyperkit:0.20171204
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cpe:2.3:a:mobyproject:hyperkit:0.20180123
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cpe:2.3:a:mobyproject:hyperkit:0.20180223
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cpe:2.3:a:mobyproject:hyperkit:0.20180403
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cpe:2.3:a:mobyproject:hyperkit:0.20180621
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cpe:2.3:a:mobyproject:hyperkit:0.20190201
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cpe:2.3:a:mobyproject:hyperkit:0.20190802
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cpe:2.3:a:mobyproject:hyperkit:0.20200224
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cpe:2.3:a:mobyproject:hyperkit:0.20200908
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cpe:2.3:a:mobyproject:hyperkit:0.20210107