• [SECURITY] [DSA 5624-1] edk2 security update

    From Moritz Muehlenhoff@21:1/5 to All on Wed Feb 14 21:10:01 2024
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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-5624-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff February 14, 2024 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : edk2
    CVE ID : CVE-2023-48733

    Mate Kukri discovered the Debian build of EDK2, a UEFI firmware
    implementation, used an insecure default configuration which could result
    in Secure Boot bypass via the UEFI shell.

    This updates disables the UEFI shell if Secure Boot is used.

    For the oldstable distribution (bullseye), this problem has been fixed
    in version 2020.11-2+deb11u2.

    For the stable distribution (bookworm), this problem has been fixed in
    version 2022.11-6+deb12u1. This update also addresses several security
    issues in the ipv6 network stack (CVE-2022-36763, CVE-2022-36764, CVE-2022-36765, CVE-2023-45230, CVE-2023-45229, CVE-2023-45231,
    CVE-2023-45232, CVE-2023-45233, CVE-2023-45234, CVE-2023-45235)

    We recommend that you upgrade your edk2 packages.

    For the detailed security status of edk2 please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/edk2

    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org
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