VULNERABILITY INTELLIGENCE
CVE-2021-33656
CVSS score6.8 MEDIUM
EPSS probability0.61%
CISA KEVNot currently listed
Published2022-07-18
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- securities@openeuler.org — Mailing List, Patch, Third Party Advisory
- securities@openeuler.org — Patch, Third Party Advisory
- securities@openeuler.org — Mailing List, Third Party Advisory
- securities@openeuler.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory