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SUSE-SU-2026:0185-1

Опубликовано: 20 янв. 2026
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 45 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.179 fixes various security issues

The following security issues were fixed:

  • CVE-2022-50327: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value (bsc#1254451).
  • CVE-2022-50490: bpf: Propagate error from htab_lock_bucket() to userspace (bsc#1251165).
  • CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787).
  • CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP4
kernel-livepatch-5_14_21-150400_24_179-default-4-150400.2.1

Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value The return value of acpi_fetch_acpi_dev() could be NULL, which would cause a NULL pointer dereference to occur in acpi_device_hid(). [ rjw: Subject and changelog edits, added empty line after if () ]

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_179-default-4-150400.2.1
Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from htab_lock_bucket() to userspace In __htab_map_lookup_and_delete_batch() if htab_lock_bucket() returns -EBUSY, it will go to next bucket. Going to next bucket may not only skip the elements in current bucket silently, but also incur out-of-bound memory access or expose kernel memory to userspace if current bucket_cnt is greater than bucket_size or zero. Fixing it by stopping batch operation and returning -EBUSY when htab_lock_bucket() fails, and the application can retry or skip the busy batch as needed.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_179-default-4-150400.2.1
Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() The function lio_target_nacl_info_show() uses sprintf() in a loop to print details for every iSCSI connection in a session without checking for the buffer length. With enough iSCSI connections it's possible to overflow the buffer provided by configfs and corrupt the memory. This patch replaces sprintf() with sysfs_emit_at() that checks for buffer boundries.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_179-default-4-150400.2.1
Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: sctp: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_179-default-4-150400.2.1
Ссылки