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SUSE-SU-2021:2067-1

Опубликовано: 18 июн. 2021
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP2)

This update for the Linux Kernel 5.3.18-24_61 fixes several issues.

The following issues were fixed:

  • CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111).
  • CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060).
  • CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611).
  • Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).

Список пакетов

SUSE Linux Enterprise Live Patching 12 SP5
kgraft-patch-4_12_14-122_66-default-3-2.1
SUSE Linux Enterprise Live Patching 15 SP2
kernel-livepatch-5_3_18-24_61-default-2-2.1

Ссылки

Описание

Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1
SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1
Ссылки

Описание

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1
SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1
Ссылки

Описание

In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_66-default-3-2.1
SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_61-default-2-2.1
Ссылки