Gentoo Linux Security Advisory 202311-14 - Multiple vulnerabilities have been discovered in GRUB, which may lead to secure boot circumvention or code execution. Versions greater than or equal to 2.06-r9 are affected.
e1d6f653ba430e2e99be01237986f1d5ffba3214eb646bef34b165da21e6965dDebian Linux Security Advisory 5519-1 - Maxim Suhanov discovered multiple vulnerabilities in GURB2's code to handle NTFS filesystems, which may result in a Secure Boot bypass.
69c6c2e6aac12f53f91896003b4bf1c34f93099bdaab89e3995c3c1a344d85baUbuntu Security Notice 6410-1 - It was discovered that a specially crafted file system image could cause a heap-based out-of-bounds write. A local attacker could potentially use this to perform arbitrary code execution bypass and bypass secure boot protections. It was discovered that a specially crafted file system image could cause an out-of-bounds read. A physically-present attacker could possibly use this to leak sensitive information to the GRUB pager.
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