Improper input validation in Xen

CVE-2013-4494

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.007 (48.3th percentile) — read the EPSS interpretation.

Affected products

Xen
Debian Debian_linux — versions 7.0
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
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 (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)