-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

- -------------------------------------------------------------------------
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
-----BEGIN PGP SIGNATURE-----
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yQYY
-----END PGP SIGNATURE-----