CVE-2012-3516
- State
- Published
- Severity
- Not scored
- Published
- Nov 23, 2012
- Updated
- Aug 6, 2024
- Reserved
- Jun 14, 2012
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- 55411vdb-entry
- 50530third-party-advisory
- [oss-security] 20120905 Xen Security Advisory 18 (CVE-2012-3516) - grant table entry swaps have inadequate bounds checkingmailing-list
- 50472third-party-advisory
- http://support.citrix.com/article/CTX134708
- http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking
- SUSE-SU-2012:1133vendor-advisory
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