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SUSE-SU-2022:4510-1

Опубликовано: 16 дек. 2022
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122_139 fixes several issues.

The following security issues were fixed:

  • CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128).
  • CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207).

Список пакетов

SUSE Linux Enterprise Live Patching 12 SP5
kgraft-patch-4_12_14-122_139-default-2-2.1

Ссылки

Описание

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_139-default-2-2.1
Ссылки

Описание

The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send buffers of a remote procedure call (RPC) into a single array of pages. A client can force the send buffer to shrink by sending an RPC message over TCP with garbage data added at the end of the message. The RPC message with garbage data is still correctly formed according to the specification and is passed forward to handlers. Vulnerable code in NFSD is not expecting the oversized request and writes beyond the allocated buffer space. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_139-default-2-2.1
Ссылки