VULNERABILITY INTELLIGENCE
CVE-2015-7835
CVSS score7.2 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2015-10-30
Last modified2026-06-17
CVSS vectorAV:L/AC:L/Au:N/C:C/I:C/A:C
Description
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.
Weakness classification
- CWE-20: Improper Input Validation