CVE-2017-15588: xen
Vulnerability summary
CVE-2017-15588 is a high (CVSS 7.8) vulnerability in xen. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 26.6% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 5Timeline
- 18-10-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.33% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- xen< 4.9.0-r6 | < 4.6.6-r2 | < 4.7.3-r3 | < 4.8.2-r3
Debian1 product
- xen< 4.8.2+xsa245-0+deb9u1
Ubuntu1 product
- xen< 4.9.2-0ubuntu1
Xen1 product
- xen4.9.0
4 vendors · 4 products
References
12 links- support.citrix.com/article/CTX228867X Refsource CONFIRM
- xenbits.xen.org/xsa/advisory-241.htmlX Refsource CONFIRMMailing ListMitigationPatchVendor AdvisoryREPORT