Описание
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
A use-after-free issue was found in the Linux kernel's SCTP implementation. The issue could occur while traversing a list of endpoint associations to send a message to all of them via SCTP_SENDALL process. A user/process could use this flaw to crash the kernel resulting in a denial of service or potentially escalate privileges on a system.
Отчет
This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise MRG 2.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | ||
| Red Hat Enterprise Linux 6 | kernel | Not affected | ||
| Red Hat Enterprise Linux 7 | kernel | Not affected | ||
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | ||
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | ||
| Red Hat Enterprise MRG 2 | kernel-rt | Not affected |
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Дополнительная информация
Статус:
7.8 High
CVSS3
Связанные уязвимости
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-fre ...
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
Уязвимость реализации протокола SCTP ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании или повысить свои привилегии
7.8 High
CVSS3