CVE-2015-2752
Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 01 Apr 2015, 14:00
Last modified:06 Aug 2024, 05:24
Vulnerability Summary
Overall Risk (default)
low
20/100 CVSS Score
4.9 MEDIUM
v2.0 (nvd)
EPSS Score
0.12% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
01 Apr 2015, 14:00
Published
Vulnerability first disclosed
06 Aug 2024, 05:24
Last Modified
Vulnerability 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
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.12%• Percentile: 31%
Techniques & Countermeasures
- CWE-20•Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected Systems
- fedoraproject•fedora
20 | 21
- xen•xen
4.3.0 | 4.3.1 | 4.3.2 | 4.4.0 | 4.4.1 | 4.5.0
References (9)
- http://www.securitytracker.com/id/1031994
- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
- http://www.securityfocus.com/bid/73448
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
- http://xenbits.xen.org/xsa/advisory-125.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html