Vulnerability in Xen
CVE-2019-17340
An issue was discovered in Xen through 4.11.x allowing x86 guest OS users to cause a denial of service or gain privileges because grant-table transfer requests are mishandled.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.5% 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-284.html (Vendor Advisory)
- xenbits.xen.org/xsa/advisory-284.html (Vendor Advisory)
- www.openwall.com/lists/oss-security/2019/10/25/1 (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-2019-17340?
- CVE-2019-17340 is a high-severity vulnerability in Xen, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 8.8/10. Published 2019-10-08.
- How severe is CVE-2019-17340?
- High severity. CVSS v3 base score is 8.8 out of 10.