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CVE-2020-14386

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Date: September 16, 2020

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.

Language: C

Severity Score

Related Resources (18)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNCPXERMUHPSGF6S2VVFL5NVVPBBFB63/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
http://www.openwall.com/lists/oss-security/2021/09/21/1
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acf69c946233259ab4d64f8869d4037a198c7f06
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14386
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
https://access.redhat.com/security/cve/CVE-2020-14386
https://nvd.nist.gov/vuln/detail/CVE-2020-14386
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
https://security-tracker.debian.org/tracker/CVE-2020-14386
http://www.openwall.com/lists/oss-security/2021/09/17/4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNCPXERMUHPSGF6S2VVFL5NVVPBBFB63/
http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html
http://www.openwall.com/lists/oss-security/2021/09/17/2
https://seclists.org/oss-sec/2020/q3/146
https://www.mend.io/vulnerability-database/CVE-2020-14386

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Execution with Unnecessary Privileges

CWE-250

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.8.24+gitAUTOINC+c84532b647_f6329fd287;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;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): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

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

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