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CVE-2025-0622

Medium priority

Needs evaluation

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 attacker to force grub2 to call the hooks once the module that registered...

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45783

Medium priority

Needs evaluation

A flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn't properly set an ERRNO value. This issue may lead to a NULL pointer access.

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45782

Medium priority

Needs evaluation

fs/hfs: strcpy() using the volume name (fs/hfs.c:382)

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45781

Medium priority

Needs evaluation

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...

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45780

Medium priority

Needs evaluation

fs/tar: Integer Overflow causes Heap OOB Write.

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45779

Medium priority

Needs evaluation

fs/bfs: Integer overflow leads to Heap OOB Read (Write?) in the BFS parser.

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45778

Medium priority

Needs evaluation

fs/bfs: Integer overflow in the BFS parser.

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45777

Medium priority

Needs evaluation

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 attacker...

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45776

Medium priority

Needs evaluation

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...

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

CVE-2024-45775

Medium priority

Needs evaluation

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...

3 affected packages

grub2, grub2-signed, grub2-unsigned

Package	24.04 LTS	22.04 LTS	20.04 LTS	18.04 LTS	16.04 LTS
grub2	Not affected	Not affected	Not affected	Not affected	Not affected
grub2-signed	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation
grub2-unsigned	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation	Needs evaluation

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