vulnerability
Red Hat: CVE-2018-1091: Important: kernel security, bug fix, and enhancement update (RHSA-2018:1318)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | 2018-03-27 | 2018-05-09 | 2021-03-03 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
2018-03-27
Added
2018-05-09
Modified
2021-03-03
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
redhat-upgrade-kernel
References
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