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CVE-2025-54770

Опубликовано: 21 нояб. 2025
Источник: msrc
CVSS3: 4.9
EPSS Низкий

Описание

Grub2: use-after-free in net_set_vlan

EPSS

Процентиль: 4%
0.00018
Низкий

4.9 Medium

CVSS3

Связанные уязвимости

CVSS3: 4.9
ubuntu
3 месяца назад

A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the net_set_vlan command is not properly unregistered when the network module is unloaded from memory. An attacker who can execute this command can force the system to access memory locations that are no longer valid. Successful exploitation leads directly to system instability, which can result in a complete crash and halt system availability

CVSS3: 4.9
nvd
3 месяца назад

A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the net_set_vlan command is not properly unregistered when the network module is unloaded from memory. An attacker who can execute this command can force the system to access memory locations that are no longer valid. Successful exploitation leads directly to system instability, which can result in a complete crash and halt system availability

CVSS3: 4.9
debian
3 месяца назад

A vulnerability has been identified in the GRUB2 bootloader's network ...

CVSS3: 4.9
github
3 месяца назад

A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the net_set_vlan command is not properly unregistered when the network module is unloaded from memory. An attacker who can execute this command can force the system to access memory locations that are no longer valid. Successful exploitation leads directly to system instability, which can result in a complete crash and halt system availability

CVSS3: 4.9
fstec
3 месяца назад

Уязвимость функции net_set_vlan() модуля Network загрузчика операционных систем Grub2, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 4%
0.00018
Низкий

4.9 Medium

CVSS3