CVE-2015-4164

EUVD-2015-4188
The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.9 UNKNOWN
LOCAL
LOW
AV:L/AC:L/Au:N/C:N/I:N/A:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
Affected Products (NVD)
VendorProductVersion
xenxen
3.1.3
xenxen
3.1.4
xenxen
3.2.0
xenxen
3.2.1
xenxen
3.2.2
xenxen
3.2.3
xenxen
3.3.0
xenxen
3.3.1
xenxen
3.3.2
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
4.3.4
xenxen
4.4.0
xenxen
4.4.0:rc1
xenxen
4.4.1
xenxen
4.5.0
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 4.1.6.1-0ubuntu0.12.04.6
released
trusty
Fixed 4.4.2-0ubuntu0.14.04.2
released
utopic
ignored
vivid
Fixed 4.5.0-1ubuntu4.2
released
wily
not-affected
Common Weakness Enumeration