CVE-2018-3665

high-risk
Published 2018-06-21

System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel.

Do I need to act?

~
1.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.6/10 Medium
LOCAL / HIGH complexity

Affected Products (20)

Affected Vendors

Freebsd Debian Redhat Intel Citrix Canonical

References (50)

Third Party Advisory http://www.securityfocus.com/bid/104460
Third Party Advisory http://www.securitytracker.com/id/1041124
Third Party Advisory http://www.securitytracker.com/id/1041125
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1852
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1944
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2164
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2165
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:1170
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:1190
Third Party Advisory https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+Struxur...
Third Party Advisory https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
Third Party Advisory https://nvidia.custhelp.com/app/answers/detail/a_id/4787
Third Party Advisory https://security.FreeBSD.org/advisories/FreeBSD-SA-18:07.lazyfpu.asc
Third Party Advisory https://security.netapp.com/advisory/ntap-20181016-0001/
Third Party Advisory https://security.paloaltonetworks.com/CVE-2018-3665
Third Party Advisory https://support.citrix.com/article/CTX235745
Third Party Advisory https://usn.ubuntu.com/3696-1/
Third Party Advisory https://usn.ubuntu.com/3696-2/
Third Party Advisory https://usn.ubuntu.com/3698-1/
and 30 more references
52
/ 100
high-risk
Severity 15/34 · Moderate
Exploitability 4/34 · Minimal
Exposure 33/34 · Critical