Debian: DSA-5280-1 Critical: Grub2 UEFI Bypass Security Flaws
debian
November 15, 2022
Several issues were found in GRUB2's font handling code, which could result in crashes and potentially execution of arbitrary code
Topics Covered
Summary
Further, issues were found in image loading that could potentially
lead to memory overflows.
For the stable distribution (bullseye), these problems have been fixed in
version 2.06-3~deb11u4.
We recommend that you upgrade your grub2 packages.
For the detailed security status of grub2 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/grub2
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/
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Package: grub2
CVE ID: CVE-2022-2601 CVE-2022-3775
Topics Covered
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