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.
Published: 2018-03-27
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-11741 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.
History

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Linux Linux Kernel
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-05T03:51:48.251Z

Reserved: 2017-12-04T00:00:00.000Z

Link: CVE-2018-1091

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-03-27T21:29:00.720

Modified: 2024-11-21T03:59:09.780

Link: CVE-2018-1091

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-09-13T00:00:00Z

Links: CVE-2018-1091 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses