DEBIAN-CVE-2021-33656

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2021-33656
Downstream
DLA-3131-1
Published: 18 Jul 2022, 15:15
Last modified:28 Apr 2026, 20:22

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.8 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Jul 2022, 15:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:22
Last Modified
Vulnerability information updated

Description

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

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•linux

    < 5.10.127-1 | < 5.14.6-1 | < 5.14.6-1 | < 5.14.6-1

References (1)