CVE-2015-2752: fedoraproject fedora Improper Input Validation
Vulnerability summary
CVE-2015-2752 is a medium (CVSS 4.9) Improper Input Validation vulnerability in fedoraproject fedora. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 39.3% of scored vulnerabilities.
Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 01-04-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.45% 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.
Debian1 product
- xen< 4.4.1-9
Fedoraproject1 product
- fedoraEOL20 | 21
Ubuntu1 product
- xen< 4.4.1-0ubuntu0.14.04.5
Xen1 product
- xen4.3.0 | 4.3.1 | 4.3.2 | 4.4.0 | 4.4.1 | 4.5.0
4 vendors · 4 products
References
12 links- lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory