CVE-2020-28915 Information

Description

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 Vector

CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H

Reference

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15 https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd https://bugzilla.suse.com/show_bug.cgi?id=1178886 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

HIGH

Base Score

HIGH

Base Severity

5.8