CVE-2020-28915

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.

CVSS v3.0 5.8 MEDIUM
CVSS v2.0 6.1 MEDIUM

5.8^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.3 / Impact : 5.5

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.1^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:C

Exploitability : 3.9 / Impact : 8.5

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact COMPLETE

References

Link	Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15	Release Notes Vendor Advisory
https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd	Patch Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1178886	Issue Tracking Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16	Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262	Patch Vendor Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2020-11-18 00:15

Updated : 2020-12-15 11:52

NVD link : CVE-2020-28915

Mitre link : CVE-2020-28915

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

linux

linux_kernel

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