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USN-6355-1: GRUB2 vulnerabilities
Sept. 8, 2023, midnight |
Ubuntu security notices ubuntu.com
heap-based out-of-bonds write. A local attacker could possibly use
this to circumvent secure boot protections. (CVE-2021-3695)
Daniel Axtens discovered that specially crafted images could cause
out-of-bonds read and write. A local attacker could possibly use this
to circumvent secure boot protections. (CVE-2021-3696)
Daniel Axtens discovered that specially crafted images could cause
buffer underwrite which allows arbitrary data to be written to a heap.
A local attacker could possibly use this …
attacker boot cve daniel grub2 images local secure boot usn vulnerabilities
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