Vulnerability Details : CVE-2019-17343
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 incorrect use of the HVM physmap concept for PV domains.
Vulnerability category: Denial of service
Products affected by CVE-2019-17343
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-17343
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-17343
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
6.8
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST |
CWE ids for CVE-2019-17343
-
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-17343
-
https://www.debian.org/security/2020/dsa-4602
Debian -- Security Information -- DSA-4602-1 xenThird Party Advisory
-
https://seclists.org/bugtraq/2020/Jan/21
Bugtraq: [SECURITY] [DSA 4602-1] xen security updateMailing List;Third Party Advisory
-
http://xenbits.xen.org/xsa/advisory-288.html
XSA-288 - Xen Security AdvisoriesVendor Advisory
-
https://xenbits.xen.org/xsa/advisory-288.html
XSA-288 - Xen Security AdvisoriesVendor Advisory
-
http://www.openwall.com/lists/oss-security/2019/10/25/10
oss-security - Xen Security Advisory 288 v3 (CVE-2019-17343) - x86: Inconsistent PV IOMMU disciplineMailing List;Third Party Advisory
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