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CVE-2020-14390

Good to know:

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Date: September 18, 2020

A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.

Language: C

Severity Score

Related Resources (10)

https://access.redhat.com/security/cve/CVE-2020-14390
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14390
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
https://bugzilla.redhat.com/show_bug.cgi?id=1876788
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
https://nvd.nist.gov/vuln/detail/CVE-2020-14390
https://security-tracker.debian.org/tracker/CVE-2020-14390
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
https://www.mend.io/vulnerability-database/CVE-2020-14390

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

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Upgrade to version linux-libc-headers - 5.10

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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