Уязвимость CVE-2019-15031: Информация

Описание

In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process, because MSR_TM_ACTIVE is misused in arch/powerpc/kernel/process.c.

Важность: MEDIUM (4,4) Вектор: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Исправленные пакеты

Ссылки на рекомендации, решения и инструменты

1. Подверженные конфигурации:

   1. Конфигурация 1

      cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

      End including

      5.2.14

      ---

      Конфигурация 2

      cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

      ---

      cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

      ---

      cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*

      ---

      cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

      ---

      cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

      ---

      cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

      ---

      cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

      ---

      cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

      ---

      cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

      ---