CVE-2017-7262

The AMD Ryzen processor with AGESA microcode through 2017-01-27 allows local users to cause a denial of service (system hang) via an application that makes a long series of FMA3 instructions, as demonstrated by the Flops test suite.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
VendorProductVersion
amdryzen
𝑥
≤ 2017-01-27
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
amd64-microcode
artful
not-affected
zesty
not-affected
yakkety
not-affected
xenial
not-affected
trusty
not-affected
precise
dne
Common Weakness Enumeration
References
http://forum.hwbot.org/showpost.php?p=480524
http://forum.hwbot.org/showthread.php?t=167605
http://www.securityfocus.com/bid/97098
https://news.ycombinator.com/item?id=13924192
https://www.techpowerup.com/231536/amd-ryzen-machine-crashes-to-a-sequence-of-fma3-instructions
http://forum.hwbot.org/showpost.php?p=480524
http://forum.hwbot.org/showthread.php?t=167605
http://www.securityfocus.com/bid/97098
https://news.ycombinator.com/item?id=13924192
https://www.techpowerup.com/231536/amd-ryzen-machine-crashes-to-a-sequence-of-fma3-instructions