CVE-2018-1091: Linux kernel v4.13 and newer

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 POW…

No CVSS scoreEPSS 0.0040 · 34th percentile

Published by the CVE Program (CNA: redhat) at 27 Mar 2018, 21:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	Linux kernel v4.13 and newer	affected Linux kernel v4.13 and newer

Identifiers

CVE-2018-1091

CNA

redhat

Weakness (CWE)

CWE-391

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.0040, the 34th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 27 Mar 2018. New records show when each source confirmed them.

Sources

References from the CNA

bugzilla.redhat.com/show_bug.cgi?id=1558149 confirm
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 confirm
marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 confirm
access.redhat.com/security/cve/cve-2018-1091 confirm
access.redhat.com/errata/RHSA-2018:1318 vendor-advisoryredhat
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70 confirm
github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70 confirm
openwall.com/lists/oss-security/2018/03/27/4 confirm

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.