CVE-2021-33655

medium

Description

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

References

https://www.debian.org/security/2022/dsa-5191

https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4

http://www.openwall.com/lists/oss-security/2022/07/19/2

Details

Source: Mitre, NVD

Published: 2022-07-18

Updated: 2022-10-29

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 6.7

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: Medium