CVE-2018-1091
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMar 27, 2018
First seenMar 27, 2018
Weakness typeCWE-391CWE-391
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 4.13.4 | — |
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