CVE-2020-28097

Name: CVE-2020-28097
Creator: NVD / NIST
Published: 2021-06-24T12:15:07.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2020-28097 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

0.52%

40.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.8.10
Netapp	Cloud Backup	All versions
Netapp	H410c Firmware	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H300e Firmware	All versions
Netapp	H500e Firmware	All versions
Netapp	H700e Firmware	All versions
Netapp	H410s Firmware	All versions

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45Patch, Third Party Advisory
https://seclists.org/oss-sec/2020/q3/176Exploit, Mailing List, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0001/Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=973c096f6a85e5b5f2a295126ba6928d9a6afd45Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/973c096f6a85e5b5f2a295126ba6928d9a6afd45Patch, Third Party Advisory
https://seclists.org/oss-sec/2020/q3/176Exploit, Mailing List, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0001/Third Party Advisory

Timeline

Published: Jun 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28097?

The vgacon subsystem in the Linux kernel before 5.8.10 mishandles software scrollback. There is a vgacon_scrolldelta out-of-bounds read, aka CID-973c096f6a85.

How severe is CVE-2020-28097?

CVE-2020-28097 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28097?

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-2020-28097?

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

Scan your code now

Source: NVD / NIST