CVE-2020-28915

medium

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.

References

Advisories
More

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-21306

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15

Details

Source: Mitre, NVD

Published: 2020-11-18

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 5.8

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