Описание
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
A divide-by-zero vulnerability was found in the __tcp_select_window function in the Linux kernel. This can result in a kernel panic causing a local denial of service.
Отчет
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 and 7 and MRG-2. Future Linux kernel updates for the respective releases may address this issue.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-alt | Affected | ||
| Red Hat Enterprise Linux 5 Extended Lifecycle Support | kernel | Fixed | RHSA-2018:2172 | 11.07.2018 |
| Red Hat Enterprise Linux 6 | kernel | Fixed | RHSA-2017:3200 | 14.11.2017 |
| Red Hat Enterprise Linux 7 | kernel-rt | Fixed | RHSA-2017:2931 | 19.10.2017 |
| Red Hat Enterprise Linux 7 | kernel | Fixed | RHSA-2017:2930 | 19.10.2017 |
| Red Hat Enterprise MRG 2 | kernel-rt | Fixed | RHSA-2017:2918 | 19.10.2017 |
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Дополнительная информация
Статус:
EPSS
5.5 Medium
CVSS3
Связанные уязвимости
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel befo ...
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
EPSS
5.5 Medium
CVSS3