Описание
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
Меры по смягчению последствий
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | ||
| Red Hat Enterprise Linux 9 | kernel | Not affected | ||
| Red Hat Enterprise Linux 6 Extended Lifecycle Support | kernel | Fixed | RHSA-2021:1288 | 20.04.2021 |
| Red Hat Enterprise Linux 7 | kernel-rt | Fixed | RHSA-2021:0857 | 16.03.2021 |
| Red Hat Enterprise Linux 7 | kernel | Fixed | RHSA-2021:0856 | 16.03.2021 |
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Дополнительная информация
Статус:
5.1 Medium
CVSS3
Связанные уязвимости
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
A flaw was found in the way memory resources were freed in the unix_st ...
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
Уязвимость функции unix_stream_recvmsg ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании
5.1 Medium
CVSS3