CVE-2015-5166: fedoraproject fedora
Vulnerability summary
CVE-2015-5166 is a high (CVSS 7.2) vulnerability in fedoraproject fedora. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.9% of scored vulnerabilities.
Not severe (CVSS 7.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 12-08-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.43% 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, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.4+dfsg-1a
- xen< 4.4.0-1
Fedoraproject1 product
- fedoraEOL21 | 22
Xen1 product
- xen≤ 4.5.0 | 4.5.1
3 vendors · 4 products
References
7 links- lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.htmlVendor AdvisoryX Refsource FEDORA