CVE-2019-18198
Linux kernel IPv6 fib6_rule_suppress Reference Count Corruption
Description
In the Linux kernel before 5.3.4, a reference count usage error in the fib6_rule_suppress() function in the fib6 suppression feature of net/ipv6/fib6_rules.c, when handling the FIB_LOOKUP_NOREF flag, can be exploited by a local attacker to corrupt memory, aka CID-ca7a03c41753.
INFO
Published Date :
Oct. 18, 2019, 10:15 p.m.
Last Modified :
Jan. 20, 2023, 6:48 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
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-2019-18198.
| URL | Resource |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 | Release Notes Vendor Advisory |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26 | Patch Vendor Advisory |
| https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26 | Patch Third Party Advisory |
| https://launchpad.net/bugs/1847478 | Exploit Issue Tracking Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20191031-0005/ | Third Party Advisory |
| https://usn.ubuntu.com/4161-1/ | Third Party 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-2019-18198 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-18198 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.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jan. 20, 2023
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20191031-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20191031-0005/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.4 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.3.4 -
CVE Modified by [email protected]
Oct. 31, 2019
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20191031-0005/ [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 24, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 Release Notes, Vendor Advisory Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26 Patch, Vendor Advisory Changed Reference Type https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26 No Types Assigned https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26 Patch, Third Party Advisory Changed Reference Type https://launchpad.net/bugs/1847478 No Types Assigned https://launchpad.net/bugs/1847478 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4161-1/ No Types Assigned https://usn.ubuntu.com/4161-1/ Third Party Advisory Added CWE NIST CWE-772 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.4 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 21, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4161-1/ [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-2019-18198 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-2019-18198
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile