GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2015-06-15T15:00:00

Updated: 2024-08-06T06:04:02.761Z

Reserved: 2015-06-02T00:00:00

Link: CVE-2015-4163

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2015-06-15T15:59:12.413

Modified: 2018-10-30T16:26:53.700

Link: CVE-2015-4163

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-06-11T00:00:00Z

Links: CVE-2015-4163 - Bugzilla