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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: redhat
Published: 2018-03-27T21:00:00
Updated: 2024-08-05T03:51:48.251Z
Reserved: 2017-12-04T00:00:00
Link: CVE-2018-1091
Vulnrichment
No data.
NVD
Status : Modified
Published: 2018-03-27T21:29:00.720
Modified: 2024-11-21T03:59:09.780
Link: CVE-2018-1091
Redhat