CVE-2018-1091 in Kernel
Summary
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.
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Reservation
12/04/2017
Disclosure
03/27/2018
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 115114 | Linux Kernel ptrace.c flush_tmregs_to_thread memory corruption | 119 | Not defined | Official fix | CVE-2018-1091 |