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SUSE-SU-2018:3865-1

Опубликовано: 22 нояб. 2018
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 5 for SLE 12 SP3)

This update for the Linux Kernel 4.4.92-6_30 fixes several issues.

The following security issues were fixed:

  • CVE-2018-5391: Fixed a possible denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size (bsc#1103098).
  • CVE-2018-18386: The drivers/tty/n_tty.c allowed local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ (bsc#1112039).

Список пакетов

SUSE Linux Enterprise Live Patching 12 SP3
kgraft-patch-4_4_103-6_33-default-11-2.1
kgraft-patch-4_4_103-6_38-default-11-2.1
kgraft-patch-4_4_92-6_30-default-11-2.1

Ссылки

Описание

drivers/tty/n_tty.c in the Linux kernel before 4.14.11 allows local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1
SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1
SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1
Ссылки

Описание

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_33-default-11-2.1
SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_103-6_38-default-11-2.1
SUSE Linux Enterprise Live Patching 12 SP3:kgraft-patch-4_4_92-6_30-default-11-2.1
Ссылки