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CVE-2020-10766

Published: Sep 15, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-440
5.5MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 63.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A logic bug flaw was found in Linux kernel before 5.8-rc1 in the implementation of SSBD. A bug in the logic handling allows an attacker with a local account to disable SSBD protection during a context switch when additional speculative execution mitigations are in place. This issue was introduced when the per task/process conditional STIPB switching was added on top of the existing SSBD switching. The highest threat from this vulnerability is to confidentiality.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-440NVD-CWE-noinfo

Affected Products

Novell Inc.
commercial·US
SUSE Linux Enterprise Server for SAP ApplicationsOn-premOS
Operating Systems / linux-distro
SUSE Enterprise StorageOn-prem
Operating Systems / linux-distro
SUSE Linux Enterprise High AvailabilityOn-prem
Operating Systems / linux-distro
SUSE OpenStack CloudOn-prem
Operating Systems / linux-distro
SUSE Linux Enterprise Software Development KitOn-prem
Operating Systems / linux-distro
HPE Helion OpenstackOn-prem
Operating Systems / linux-distro
SUSE Linux Enterprise Live PatchingOn-prem
Operating Systems / linux-distro
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
АО «НППКТ»
commercial·RU
ОСОН ОСнова ОnyxOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
LinuxOn-premOS
Operating Systems / linux-distro
Linux Kernel
oss-projectaka linux-kernel, linux
kernelOn-prem
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2020-10766?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://access.redhat.com/security/cve/cve-2020-10766
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=1845840
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10766
bugzilla.redhat.com
and 30 more references View all →
News mentions
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