CVE-2021-33655

    Dashboard / Vulnerabilities / CVE-2021-33655

    CVE-2021-33655

    Published: 18 Jul 2022Last Modified: 15 Mar 2026

    Summary:

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

    References: https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html, https://www.debian.org/security/2022/dsa-5191, http://www.openwall.com/lists/oss-security/2022/07/19/2, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-33655 | CVE-DB