CVE-2018-1091
Linux PowerPC CPU Pointer PoC Denial of Service
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.
INFO
Published Date :
March 27, 2018, 9:29 p.m.
Last Modified :
May 10, 2018, 1:29 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-1091.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-1091 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-1091 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CWE Red Hat, Inc. CWE-391 -
CVE Modified by [email protected]
May. 10, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:1318 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 24, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch, Vendor Advisory Changed Reference Type http://openwall.com/lists/oss-security/2018/03/27/4 No Types Assigned http://openwall.com/lists/oss-security/2018/03/27/4 Mailing List, Third Party Advisory Changed Reference Type https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 No Types Assigned https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Patch, Vendor Advisory Changed Reference Type https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70 No Types Assigned https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch, Third Party Advisory Changed Reference Type https://access.redhat.com/security/cve/cve-2018-1091 No Types Assigned https://access.redhat.com/security/cve/cve-2018-1091 Third Party Advisory Changed Reference Type https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 No Types Assigned https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 Patch, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1558149 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1558149 Issue Tracking, Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.13.4 -
CVE Modified by [email protected]
Mar. 28, 2018
Action Type Old Value New Value Removed Reference https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 [No Types Assigned] Added Reference https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-1091 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-1091
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.02%
score
0.24542
percentile