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CVE-2021-27862

Опубликовано: 27 сент. 2022
Источник: debian
EPSS Низкий

Описание

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).

Примечания

  • https://kb.cert.org/vuls/id/855201

  • https://blog.champtar.fr/VLAN0_LLC_SNAP/

  • Linux kernel behaves as expected, it's the user space responsibility to build

  • correct filtering rules.

EPSS

Процентиль: 25%
0.00087
Низкий

Связанные уязвимости

CVSS3: 5.3
redhat
больше 3 лет назад

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).

CVSS3: 4.7
nvd
больше 3 лет назад

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).

CVSS3: 4.7
github
больше 3 лет назад

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).

EPSS

Процентиль: 25%
0.00087
Низкий