Описание
The sctp_process_param function in net/sctp/sm_make_chunk.c in the SCTP implementation in the Linux kernel before 3.17.4, when ASCONF is used, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via a malformed INIT chunk.
A flaw was found in the way the Linux kernel's SCTP implementation validated INIT chunks when performing Address Configuration Change (ASCONF). A remote attacker could use this flaw to crash the system by sending a specially crafted SCTP packet to trigger a NULL pointer dereference on the system.
Отчет
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for the respective releases may address this issue.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | ||
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected | ||
| Red Hat Enterprise Linux 6 | kernel | Fixed | RHSA-2015:0087 | 27.01.2015 |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | kernel | Fixed | RHSA-2015:0695 | 17.03.2015 |
| Red Hat Enterprise Linux 6.4 Extended Update Support | kernel | Fixed | RHSA-2015:0285 | 03.03.2015 |
| Red Hat Enterprise Linux 6.5 Extended Update Support | kernel | Fixed | RHSA-2015:0284 | 03.03.2015 |
| Red Hat Enterprise Linux 7 | kernel | Fixed | RHSA-2015:0102 | 28.01.2015 |
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Дополнительная информация
Статус:
7.1 High
CVSS2
Связанные уязвимости
The sctp_process_param function in net/sctp/sm_make_chunk.c in the SCTP implementation in the Linux kernel before 3.17.4, when ASCONF is used, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via a malformed INIT chunk.
The sctp_process_param function in net/sctp/sm_make_chunk.c in the SCTP implementation in the Linux kernel before 3.17.4, when ASCONF is used, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via a malformed INIT chunk.
The sctp_process_param function in net/sctp/sm_make_chunk.c in the SCT ...
The sctp_process_param function in net/sctp/sm_make_chunk.c in the SCTP implementation in the Linux kernel before 3.17.4, when ASCONF is used, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via a malformed INIT chunk.
ELSA-2015-3005: Unbreakable Enterprise kernel security update (IMPORTANT)
7.1 High
CVSS2