Описание
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
A memory out-of-bounds read flaw was found in the Linux kernel's ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
Меры по смягчению последствий
If any directories of the partition (or image) broken, the command "e2fsck -Df .../partition-name" fixes it.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Out of support scope | ||
| Red Hat Enterprise Linux 6 | kernel | Out of support scope | ||
| Red Hat Enterprise Linux 7 | kernel-alt | Will not fix | ||
| Red Hat Enterprise MRG 2 | kernel | Out of support scope | ||
| Red Hat Enterprise Linux 7 | kernel-rt | Fixed | RHSA-2020:5441 | 15.12.2020 |
| Red Hat Enterprise Linux 7 | kernel | Fixed | RHSA-2020:5437 | 15.12.2020 |
| Red Hat Enterprise Linux 8 | kernel-rt | Fixed | RHSA-2021:1739 | 18.05.2021 |
| Red Hat Enterprise Linux 8 | kernel | Fixed | RHSA-2021:1578 | 18.05.2021 |
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Дополнительная информация
Статус:
EPSS
5.5 Medium
CVSS3
Связанные уязвимости
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
A memory out-of-bounds read flaw was found in the Linux kernel before ...
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
EPSS
5.5 Medium
CVSS3