CVE-2024-45774 vulnerabilities and exploits

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A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not ...

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A flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an malicious user to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-fre...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

A flaw was found in grub2. During the network boot process, when trying to search for the configuration file, grub copies data from a user controlled environment variable into an internal buffer using the grub_strcpy() function. During this step, it fails to consider the environm...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

A flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub's argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

When reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an malicious us...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

A flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an malicious user to overwrite grub2's sensitive heap da...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash.

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

An integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

A flaw was found in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It's possible to cause the allocation length to overflow with a crafted tar file, ...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an maliciou...

Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9 Red Hat Red Hat Openshift Container Platform 4

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