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CVE-2020-28915

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Date: November 18, 2020

A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def. After conducting further research, Mend has determined that versions v2.6.11-tree--v4.4.238, v4.5-rc1--v4.9.238, v4.10-rc1--v4.14.200, v4.15-rc1--v4.19.150, v5.0-rc1--v5.4.70, v5.5-rc1--v5.8.14 and v5.9-rc1--v5.9-rc8 of Linux Kernel are vulnerable to CVE-2020-28915.

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.10

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CVSS v3.1

Base Score:
Attack Vector (AV): PHYSICAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): HIGH
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): COMPLETE
Additional information:

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