NULL pointer dereference in Xen
CVE-2011-2519
Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
EPSS: 0.007 (48.3th percentile) — read the EPSS interpretation.
Affected products
- Xen
- Redhat Enterprise_linux_desktop — versions 5.0
- Redhat Enterprise_linux_server — versions 5.0
- Redhat Enterprise_linux_workstation — versions 5.0
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)