UBUNTU-CVE-2022-47630

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    UBUNTU-CVE-2022-47630

    Published: 16 Jan 2023Last Modified: 20 May 2026
    Upstream:
    CVE-2022-47630

    Summary:

    Details: Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.

    References: https://ubuntu.com/security/CVE-2022-47630, https://www.trustedfirmware.org/news/, https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.html, http://www.openwall.com/lists/oss-security/2023/01/16/8, https://www.cve.org/CVERecord?id=CVE-2022-47630

    Affected packages

    Package

    Name: arm-trusted-firmware

    Purl: pkg:deb/ubuntu/arm-trusted-firmware?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.1-3

    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
    UBUNTU-CVE-2022-47630 | CVE-DB