Amazon Linux AMI: CVE-2018-1091: Security patch for kernel (ALAS-2018-1023)
5
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
03/27/2018
07/25/2018
05/31/2018
10/14/2022
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)
- amazon-linux-upgrade-kernel
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