Vulnerability in Xen
CVE-2017-15593
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% 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
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/10/msg00021.html (mailing-list)
- lists.debian.org/debian-lts-announce/2017/11/msg00027.html (mailing-list)
- www.debian.org/security/2017/dsa-4050 (vendor-advisory)
- support.citrix.com/article/CTX228867
- xenbits.xen.org/xsa/advisory-242.html (Patch, Mitigation, Vendor Advisory)
- security.gentoo.org/glsa/201801-14 (vendor-advisory)
- www.securitytracker.com/id/1039568 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-15593?
- CVE-2017-15593 is a medium-severity vulnerability in Xen, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2017-10-18.
- How severe is CVE-2017-15593?
- Medium severity. CVSS v3 base score is 6.5 out of 10.