6.9
CVE-2012-3516
- EPSS 0.36%
- Veröffentlicht 23.11.2012 20:55:03
- Zuletzt bearbeitet 16.06.2026 23:43:23
- Quelle secalert@redhat.com
- CVE-Watchlists
- Unerledigt
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.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.36% | 0.273 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.9 | 3.4 | 10 |
AV:L/AC:M/Au:N/C:C/I:C/A:C
|
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html
http://secunia.com/advisories/50472
http://secunia.com/advisories/50530
http://support.citrix.com/article/CTX134708
http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking
http://www.openwall.com/lists/oss-security/2012/09/05/11
http://www.securityfocus.com/bid/55411