CVE-2021-33655

kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory

Published Jul 18, 2022 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3131-1 linux security update
Debian DSA Debian DSA DSA-5191-1 linux security update
EUVD EUVD EUVD-2021-20332 When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
Ubuntu USN Ubuntu USN USN-5577-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5580-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-5596-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5621-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5622-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5623-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5624-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5630-1 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-5633-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5635-1 Linux kernel (GKE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5639-1 Linux kernel (Azure CVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5640-1 Linux kernel (Oracle) vulnerabilities
Ubuntu USN Ubuntu USN USN-5644-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-5647-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-5648-1 Linux kernel (GKE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5650-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5652-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5654-1 Linux kernel (GKE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5655-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-5660-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-5683-1 Linux kernel (IBM) vulnerabilities
Weaknesses

Sources

Status
PUBLISHED
Assigner
openEuler
Published
Updated
Oct 14, 2026, 11:44 AM
Reserved
May 28, 2021, 12:00 AM
Status
Modified
Published
Jul 18, 2022, 3:15 PM
Modified
Oct 14, 2026, 12:17 PM
Severity
Moderate
Public date
Jul 8, 2022, 9:00 AM