CVE-2012-3494

The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.1 UNKNOWN
LOCAL
LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 30%
VendorProductVersion
citrixxenserver
𝑥
≤ 6.0.2
citrixxenserver
𝑥
≤ 6.0.2
xenxen
4.0.0
xenxen
4.0.0
xenxen
4.1.0
xenxen
4.1.0
xenxen
4.2.0
xenxen
4.2.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xen
bullseye
4.14.6-1
fixed
bullseye (security)
4.14.5+94-ge49571868d-1
fixed
bookworm
4.17.3+10-g091466ba55-1~deb12u1
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
saucy
not-affected
raring
not-affected
quantal
not-affected
precise
Fixed 4.1.2-2ubuntu2.4
released
oneiric
Fixed 4.1.1-2ubuntu4.4
released
natty
dne
lucid
dne
hardy
dne
xen-3.1
saucy
dne
raring
dne
quantal
dne
precise
dne
oneiric
dne
natty
dne
lucid
dne
hardy
ignored
xen-3.2
saucy
dne
raring
dne
quantal
dne
precise
dne
oneiric
dne
natty
dne
lucid
dne
hardy
ignored
xen-3.3
saucy
dne
raring
dne
quantal
dne
precise
dne
oneiric
dne
natty
ignored
lucid
ignored
hardy
dne
Common Weakness Enumeration
References