VulnerabilityModified
CVE-2019-17341
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging a page-writability race condition during addition of a passed-through PCI device.
HIGH 7.8EPSS 0.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging a page-writability race condition during addition of a passed-through PCI device.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- xen/xen · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2019/10/25/6Mailing List
- http://xenbits.xen.org/xsa/advisory-285.htmlPatch, Vendor Advisory
- https://seclists.org/bugtraq/2020/Jan/21Mailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4602Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-285.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2019/10/25/6Mailing List
- http://xenbits.xen.org/xsa/advisory-285.htmlPatch, Vendor Advisory
- https://seclists.org/bugtraq/2020/Jan/21Mailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4602Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-285.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.