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gnu grub2 vulnerabilities and exploits
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NA
CVE-2022-28735
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
Gnu Grub2
NA
CVE-2022-28736
There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free v...
Gnu Grub2
NA
CVE-2022-3775
When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's width and height is constrained within bitmap size. As consequence an attacker can craft an input which will lead to a out-of-bounds write into grub2's ...
Gnu Grub2
Redhat Enterprise Linux 8.0
NA
CVE-2022-2601
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bound...
Gnu Grub2
Redhat Enterprise Linux Server Tus 8.2
Redhat Enterprise Linux Server Aus 8.2
Redhat Enterprise Linux Server Update Services For Sap Solutions 8.2
Redhat Enterprise Linux Server Update Services For Sap Solutions 8.1
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.1
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 8.2
Fedoraproject Fedora 37
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions 9.0
Redhat Enterprise Linux For Power Little Endian Eus 9.0
Redhat Enterprise Linux Eus 9.0
Redhat Enterprise Linux Server Update Services For Sap Solutions 9.0
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-37316
firmware
CVE-2024-30078
CVE-2024-5995
remote code execution
logic flaw
CVE-2024-20693
CVE-2024-37315
CVE-2024-5464
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