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SUSE-SU-2024:1181-1

Опубликовано: 09 апр. 2024
Источник: suse-cvrf

Описание

Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-150500_11 fixes several issues.

The following security issues were fixed:

  • CVE-2024-0565: Fixed an out-of-bounds memory read flaw in receive_encrypted_standard in fs/smb/client/smb2ops.c (bsc#1219078).
  • CVE-2023-42753: Fixed an array indexing vulnerability in the netfilter subsystem. This issue may have allowed a local user to crash the system or potentially escalate their privileges (bsc#1218613).
  • CVE-2024-1085: Fixed nf_tables use-after-free vulnerability in the nft_setelem_catchall_deactivate() function (bsc#1219432).
  • CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219296).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP5
kernel-livepatch-5_14_21-150500_11-rt-10-150500.9.1

Ссылки

Описание

An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_11-rt-10-150500.9.1
Ссылки

Описание

The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_11-rt-10-150500.9.1
Ссылки

Описание

An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_11-rt-10-150500.9.1
Ссылки

Описание

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_setelem_catchall_deactivate() function checks whether the catch-all set element is active in the current generation instead of the next generation before freeing it, but only flags it inactive in the next generation, making it possible to free the element multiple times, leading to a double free vulnerability. We recommend upgrading past commit b1db244ffd041a49ecc9618e8feb6b5c1afcdaa7.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_11-rt-10-150500.9.1
Ссылки
Уязвимость SUSE-SU-2024:1181-1