CVE-2020-28974

MediumCVSS 5.0/10Last modified Jun 17, 2026

Description

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published: Nov 20, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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