CVE-2012-3516 | BDVDB-2026-53595 Detail
Description#
The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.securityfocus.com/bid/55411
- http://secunia.com/advisories/50530
- http://www.openwall.com/lists/oss-security/2012/09/05/11
- http://secunia.com/advisories/50472
- http://support.citrix.com/article/CTX134708
- http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.