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CVE-2021-33656

nvd nist
Published: Jul 18, 2022Modified: Jun 17, 2026

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6.8
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 0.9 / Impact: 5.9
Source: NVD

Description

When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

Affected (5)

Openatom
1 product
Openeuler
Linux
1 product
Linux Kernel
Debian
1 product
Debian Linux
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Openatom
Openeuler
Version 20.03
Openeuler
Version 20.03 sp1
Openeuler
Version 20.03 sp3
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
Before 5.10.127
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 10.0

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (8)

Source: securities@openeuler.org
Mailing ListPatchThird Party Advisory
Source: securities@openeuler.org
PatchThird Party Advisory
Source: securities@openeuler.org
Mailing ListThird Party Advisory
Source: securities@openeuler.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.