Vulnerability in Xen
CVE-2017-15588
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (24.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Xen — versions 4.9.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/101490 (VDB Entry, Third Party Advisory, vdb-entry)
- 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-241.html (Patch, Mailing List, Mitigation, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00009.html (mailing-list)
- 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-2017-15588?
- CVE-2017-15588 is a high-severity vulnerability in Xen, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.8/10. Published 2017-10-18.
- How severe is CVE-2017-15588?
- High severity. CVSS v3 base score is 7.8 out of 10.