National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-1091 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch Vendor Advisory
http://openwall.com/lists/oss-security/2018/03/27/4 Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1318
https://access.redhat.com/security/cve/cve-2018-1091 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1558149 Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch Third Party Advisory
https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 Patch Third Party Advisory
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Patch Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer NIST  
CWE-391 Unchecked Error Condition Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.13.4


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1091
NVD Published Date:
03/27/2018
NVD Last Modified:
05/09/2018