Vulnerability Details : CVE-2020-28974

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.
Published 2020-11-20 18:15:12
Updated 2021-01-27 19:44:46
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-28974

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2020-28974

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.1
 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:C
3.9
8.5
 NIST
5.0
 MEDIUM CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
0.3
4.7
 NIST

CWE ids for CVE-2020-28974

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-28974

Products affected by CVE-2020-28974

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