SARA / Free Tools / CVE / CVE-2019-19579

CVE-2019-19579 — An issue was discovered in Xen through 4

An issue was discovered in Xen through 4.12.x allowing attackers to gain host OS privileges via DMA in a situation where an untrusted domain has access to a physical device (and assignable-add is not used), because of an incomplete fix for CVE-2019-18424. XSA-302 relies on the us

CVSS
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EPSS
0.13% (top 67.80%)
CWE
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Published
2019-12-04T21:03:38.000Z
Last modified
2024-08-05T02:16:48.532Z
CVSS vector
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01What is this vulnerability?

An issue was discovered in Xen through 4.12.x allowing attackers to gain host OS privileges via DMA in a situation where an untrusted domain has access to a physical device (and assignable-add is not used), because of an incomplete fix for CVE-2019-18424. XSA-302 relies on the use of libxl's "assignable-add" feature to prepare devices to be assigned to untrusted guests. Unfortunately, this is not…

02Affected products

VendorProductVersions
na / n/an/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

CVE-2019-18424
Cited in vendor advisory

08Timeline

09References

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