CVE-2015-7835

EUVD-2015-7733
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 UNKNOWN
LOCAL
LOW
AV:L/AC:L/Au:N/C:C/I:C/A:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
xenxen
3.4.0
xenxen
3.4.1
xenxen
3.4.2
xenxen
3.4.3
xenxen
3.4.4
xenxen
4.0.0
xenxen
4.0.1
xenxen
4.0.2
xenxen
4.0.3
xenxen
4.0.4
xenxen
4.1.0
xenxen
4.1.1
xenxen
4.1.2
xenxen
4.1.3
xenxen
4.1.4
xenxen
4.1.5
xenxen
4.1.6.1
xenxen
4.2.0
xenxen
4.2.1
xenxen
4.2.2
xenxen
4.2.3
xenxen
4.3.0
xenxen
4.3.1
xenxen
4.3.2
xenxen
4.3.4
xenxen
4.4.0
xenxen
4.4.1
xenxen
4.5.0
xenxen
4.5.1
xenxen
4.6.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xen
bookworm
4.17.3+10-g091466ba55-1~deb12u1
fixed
bullseye
4.14.6-1
fixed
bullseye (security)
4.14.5+94-ge49571868d-1
fixed
sid
4.17.3+36-g54dacb5c02-1
fixed
trixie
4.17.3+36-g54dacb5c02-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xen
precise
Fixed 4.1.6.1-0ubuntu0.12.04.7
released
trusty
Fixed 4.4.2-0ubuntu0.14.04.3
released
vivid
Fixed 4.5.0-1ubuntu4.3
released
wily
Fixed 4.5.1-0ubuntu1.1
released