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.
References
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 01:41
Type | Values Removed | Values Added |
---|---|---|
References | () http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html - | |
References | () http://secunia.com/advisories/50472 - Vendor Advisory | |
References | () http://secunia.com/advisories/50530 - Vendor Advisory | |
References | () http://support.citrix.com/article/CTX134708 - Patch, Vendor Advisory | |
References | () http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking - | |
References | () http://www.openwall.com/lists/oss-security/2012/09/05/11 - | |
References | () http://www.securityfocus.com/bid/55411 - |
Information
Published : 2012-11-23 20:55
Updated : 2024-11-21 01:41
NVD link : CVE-2012-3516
Mitre link : CVE-2012-3516
CVE.ORG link : CVE-2012-3516
JSON object : View
Products Affected
citrix
- xenserver
xen
- xen
CWE
CWE-264
Permissions, Privileges, and Access Controls