• [gentoo-announce] [ GLSA 202311-14 ] GRUB: Multiple Vulnerabilities

    From [email protected]@21:1/5 to All on Sat Nov 25 12:30:02 2023
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    Gentoo Linux Security Advisory GLSA 202311-14
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    https://security.gentoo.org/
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    Severity: High
    Title: GRUB: Multiple Vulnerabilities
    Date: November 25, 2023
    Bugs: #881413, #915187
    ID: 202311-14

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    Synopsis
    ========

    Multiple vulnerabilities have been discoverd in GRUB, which may lead to
    secure boot circumvention or code execution.

    Background
    ==========

    GNU GRUB is a multiboot boot loader used by most Linux systems.

    Affected packages
    =================

    Package Vulnerable Unaffected
    ------------- ------------ ------------
    sys-boot/grub < 2.06-r9 >= 2.06-r9

    Description
    ===========

    Multiple vulnerabilities have been discovered in GRUB. Please review the
    CVE identifiers referenced below for details.

    Impact
    ======

    Please review the referenced CVE identifiers for details.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All GRUB users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-boot/grub-2.06-r9"

    References
    ==========

    [ 1 ] CVE-2022-2601
    https://nvd.nist.gov/vuln/detail/CVE-2022-2601
    [ 2 ] CVE-2022-3775
    https://nvd.nist.gov/vuln/detail/CVE-2022-3775
    [ 3 ] CVE-2023-4692
    https://nvd.nist.gov/vuln/detail/CVE-2023-4692
    [ 4 ] CVE-2023-4693
    https://nvd.nist.gov/vuln/detail/CVE-2023-4693

    Availability
    ============

    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:

    https://security.gentoo.org/glsa/202311-14

    Concerns?
    =========

    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to [email protected] or alternatively, you may file a bug at https://bugs.gentoo.org.

    License
    =======

    Copyright 2023 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).

    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.

    https://creativecommons.org/licenses/by-sa/2.5
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