VulnerabilityModified
CVE-2012-5525
The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
MEDIUM 4.7EPSS 1.60%
Does this matter?
Lower severity and a low EPSS score (1.60%). Track it; it rarely justifies an emergency change on its own.
Description
The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
- CVSS 2.0
- 4.7 MEDIUMAV:L/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.60% probability · 74th percentile
- CISA KEV
- Not listed
- Affected
- xen/xen
- Source
- secalert@redhat.com
References
- http://secunia.com/advisories/51397Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2012/12/03/6
- http://www.osvdb.org/88133
- http://www.securityfocus.com/bid/56805
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80480
- http://secunia.com/advisories/51397Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2012/12/03/6
- http://www.osvdb.org/88133
- http://www.securityfocus.com/bid/56805
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80480
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.