CVE-2020-14386

HIGH
7.8
CVSS Score
Published: September 16, 2020 at 12:48 PM UTC
Updated: June 17, 2026 at 02:54 AM UTC
5 products affected across 5 vendorsLinux KernelDebian LinuxFedora

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

Description

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.10 ≤ v < 4.14.2014.15 ≤ v < 4.19.1504.20 ≤ v < 5.4.644.6 ≤ v < 4.9.2395.5 ≤ v < 5.8.85.9.0 rc15.9.0 rc25.9.0 rc3
Affected range stops below 4.14.201, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.150, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.239, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.64, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.8.8, so it looks safe — our inference, not a vendor statement
v < 5.9-rc4
Affected range stops below 5.9-rc4, so it looks safe — our inference, not a vendor statement

References (12)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-250CWE-787

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