CVE-2012-0218
Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause…
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause a denial of service (guest crash) by later triggering an exception that would normally be handled within Xen.
- CVSS 2.0
- 1.9 LOWAV:L/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 0.40% probability · 33th percentile
- CISA KEV
- Not listed
- Affected
- xen/xen
- Source
- security@debian.org
References
- http://lists.xen.org/archives/html/xen-announce/2012-06/msg00003.htmlPatch, Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2501
- http://lists.xen.org/archives/html/xen-announce/2012-06/msg00003.htmlPatch, Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2501
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.