CVE-2013-4368

The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
1.9 UNKNOWN
LOCAL
MEDIUM
AV:L/AC:M/Au:N/C:P/I:N/A:N
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
VendorProductVersion
xenxen
𝑥
≤ 4.3.0
xenxen
3.0.2
xenxen
3.0.3
xenxen
3.0.4
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
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
Fixed 4.3.0-1ubuntu1.1
released
raring
Fixed 4.2.2-0ubuntu0.13.04.2
released
quantal
Fixed 4.1.5-0ubuntu0.12.10.2
released
precise
Fixed 4.1.5-0ubuntu0.12.04.2
released
lucid
dne
xen-3.3
saucy
dne
raring
dne
quantal
dne
precise
dne
lucid
ignored