CVE-2012-3495
- State
- Published
- Severity
- Not scored
- Published
- Nov 23, 2012
- Updated
- Aug 6, 2024
- Reserved
- Jun 14, 2012
Description
The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- 55082third-party-advisory
- http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593
- [Xen-announce] 20120905 Xen Security Advisory 13 (CVE-2012-3495) - hypercall physdev_get_free_pirq vulnerabilitymailing-list
- 51413third-party-advisory
- GLSA-201309-24vendor-advisory
- http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability
- openSUSE-SU-2012:1572vendor-advisory
- 55406vdb-entry
- 1027480vdb-entry
- GLSA-201604-03vendor-advisory
- SUSE-SU-2012:1132vendor-advisory
- http://support.citrix.com/article/CTX134708
- [oss-security] 20120905 Xen Security Advisory 13 (CVE-2012-3495) - hypercall physdev_get_free_pirq vulnerabilitymailing-list
- SUSE-SU-2012:1133vendor-advisory
- openSUSE-SU-2012:1573vendor-advisory
- openSUSE-SU-2012:1172vendor-advisory
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