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SUSE: CVE-2018-1091: SUSE Linux Security Advisory

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SUSE: CVE-2018-1091: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
03/27/2018
Created
07/25/2018
Added
04/19/2018
Modified
02/04/2022

Description

In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.

Solution(s)

  • suse-upgrade-kernel-azure-base
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-extra
  • suse-upgrade-kernel-default-man
  • suse-upgrade-kernel-devel-azure
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-kernel-source-azure

References

  • SUSE-SU-2018:1048-1
  • SUSE-SU-2018:1217-1
  • SUSE-SU-2019:1287-1
  • CVE-2018-1091

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