CVE-2020-28915

Name: CVE-2020-28915
Creator: NVD / NIST
Published: 2020-11-18T08:15:12.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.8/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2020-28915 is a medium-severity vulnerability rated 5.8/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.8/10

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

EPSS Probability

0.37%

29.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.8.15

References

https://bugzilla.suse.com/show_bug.cgi?id=1178886Issue Tracking, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15Release Notes, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16Patch, Vendor Advisory
https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfdPatch, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1178886Issue Tracking, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15Release Notes, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16Patch, Vendor Advisory
https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfdPatch, Third Party Advisory

Timeline

Published: Nov 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2020-28915?

CVE-2020-28915 has a CVSS score of 5.8/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28915?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28915?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST