Ubuntu.comUB:CVE-2017-7262CVE-2017-7262
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
5.1%
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.
Notes
| Author | Note |
|---|---|
| Debian | Hardware bug in AMD Ryzen CPUs, cannot be fixed via micro code updates, but only BIOS updates |
References
forum.hwbot.org/showpost.php?p=480524
forum.hwbot.org/showthread.php?t=167605
launchpad.net/bugs/cve/CVE-2017-7262
news.ycombinator.com/item?id=13924192
nvd.nist.gov/vuln/detail/CVE-2017-7262
security-tracker.debian.org/tracker/CVE-2017-7262
www.cve.org/CVERecord?id=CVE-2017-7262
www.techpowerup.com/231536/amd-ryzen-machine-crashes-to-a-sequence-of-fma3-instructions
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
5.1%