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CVE-2020-28974

CVSS v3.1 5 (Medium)
50% Progress
CVSS v2.0 6.1 (Medium)
61% Progress
EPSS 0.04 % (5th)
0.04% Progress
Affected Products 2
Advisories 34
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-125
Out-of-bounds Read
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2020-11-20 18:15:12
(3 years ago)
Updated Date
2021-01-27 19:44:45
(3 years ago)

Affected Products

Debian

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel prior 5.9.7 version cpe:2.3:o:linux:linux_kernel < 5.9.7

Configuration #2

    CPE23 From Up To
  Debian Linux 9.0 cpe:2.3:o:debian:debian_linux:9.0