Vulnerability in Xen
CVE-2019-17344
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service by leveraging a long-running operation that exists to support restartability of PTE updates.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Xen
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
References
- xenbits.xen.org/xsa/advisory-290.html (Vendor Advisory)
- xenbits.xen.org/xsa/advisory-290.html (Patch, Mitigation, Vendor Advisory)
- www.openwall.com/lists/oss-security/2019/10/25/3 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4602 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2020/Jan/21 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-17344?
- CVE-2019-17344 is a medium-severity vulnerability in Xen, classified under Improper Synchronization. CVSS score: 6.5/10. Published 2019-10-08.
- How severe is CVE-2019-17344?
- Medium severity. CVSS v3 base score is 6.5 out of 10.