VulnerabilityModified
CVE-2011-1166
Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service (host crash) by specifying user mode execution without user-mode pagetables.
MEDIUM 5.5EPSS 0.67%
Does this matter?
Lower severity and a low EPSS score (0.67%). Track it; it rarely justifies an emergency change on its own.
Description
Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service (host crash) by specifying user mode execution without user-mode pagetables.
- CVSS 2.0
- 5.5 MEDIUMAV:A/AC:L/Au:S/C:N/I:N/A:C
- EPSS
- 0.67% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- xen/xen
- Source
- secalert@redhat.com
References
- http://downloads.avaya.com/css/P8/documents/100145416
- http://rhn.redhat.com/errata/RHSA-2011-0833.html
- http://wiki.xen.org/wiki/Security_Announcements#XSA-1_Host_crash_due_to_failure_to_correctly_validate_PV_kernel_execution_state.Patch, Vendor Advisory
- http://downloads.avaya.com/css/P8/documents/100145416
- http://rhn.redhat.com/errata/RHSA-2011-0833.html
- http://wiki.xen.org/wiki/Security_Announcements#XSA-1_Host_crash_due_to_failure_to_correctly_validate_PV_kernel_execution_state.Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.