CVE-2012-3496

MEDIUM 4.7CVE-2012-3496 · Published 23/11/2012 · updated 16/06/2026

In short

CVE-2012-3496 is a MEDIUM (CVSS 4.7) vulnerability affecting xenserver (citrix).
Chance of exploitation in the next 30 days (EPSS): 0.42%, higher than 36.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
xenserver citrix	`≤ 6.0.2`	No fix yet

Description

XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

References

lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html · Vendor Advisory
secunia.com/advisories/50472 · Vendor Advisory
secunia.com/advisories/50530 · Vendor Advisory
secunia.com/advisories/51413
secunia.com/advisories/55082

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