CVE-2015-7835 in Xen
Summary
The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.
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Reservation
10/14/2015
Disclosure
10/30/2015
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 78957 | XenSource Xen Mapping mm.c mod_l2_entry input validation | 20 | Unproven | Official fix | CVE-2015-7835 |