OESA-2022-1748

    Dashboard / Vulnerabilities / OESA-2022-1748

    OESA-2022-1748

    Published: 12 Jul 2022Last Modified: 18 Aug 2026
    Upstream:
    CVE-2021-33656

    Summary: kernel security update

    Details: The Linux Kernel, the operating system core itself. Security Fix(es): Using the ioctl function to modify the vc_font.height value through PIO_FONT can cause the KASAN: vmalloc-out-of-bounds in sys_imageblit problem. Requires tty group permissions to access the device file /dev/tty1.(CVE-2021-33656)

    References: https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1748, https://nvd.nist.gov/vuln/detail/CVE-2021-33656

    Affected packages

    Package

    Name: kernel

    Purl: pkg:rpm/openEuler/kernel&distro=openEuler-22.03-LTS

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.10.0-60.43.0.72.oe2203

    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
    OESA-2022-1748 | CVE-DB