CVE-2021-33655

 

Published at: - 18-07-2022 05:15

Last modified: - 26-10-2022 01:44

Total changes: - 8

Description

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

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4
• [oss-security] 20220719 CVE-2021-33655: Linux kernel: When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.(5.18 5.19.0-rc1)-Mailing List, Patch, Third Party Advisory
• DSA-5191-Third Party Advisory
• [debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update-

 

Keywords

NVD

 

CVE-2021-33655

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures