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CVE-2025-54771

Опубликовано: 18 нояб. 2025
Источник: debian
EPSS Низкий

Описание

A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
grub2fixed2.14-1package
grub2no-dsatrixiepackage
grub2no-dsabookwormpackage

Примечания

  • https://gitweb.git.savannah.gnu.org/gitweb/?p=grub.git;a=commit;h=c4fb4cbc941981894a00ba8e75d634a41967a27f (grub-2.14)

EPSS

Процентиль: 8%
0.00029
Низкий

Связанные уязвимости

CVSS3: 4.9
ubuntu
4 месяца назад

A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

CVSS3: 4.9
redhat
4 месяца назад

A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

CVSS3: 4.9
nvd
4 месяца назад

A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

msrc
4 месяца назад

Grub2: use-after-free in grub_file_close()

CVSS3: 4.9
github
4 месяца назад

A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

EPSS

Процентиль: 8%
0.00029
Низкий