CVE-2018-20856
Linux Kernel __blk_drain_queue Use-After-Free Vulnerability
Description
An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.
INFO
Published Date :
July 26, 2019, 5:15 a.m.
Last Modified :
Nov. 7, 2023, 2:56 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2018-20856 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2018-20856.
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).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-20856 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20856 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://support.f5.com/csp/article/K14673240?utm_source=f5support&%3Butm_medium=RSS [No types assigned] Removed Reference MITRE https://support.f5.com/csp/article/K14673240?utm_source=f5support&utm_medium=RSS -
CVE Modified by [email protected]
Mar. 03, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0698 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 03, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0664 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 18, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0543 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 14, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0103 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 14, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0100 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 29, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:3217 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 23, 2019
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:3089 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:3055 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2019:3076 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2019
Action Type Old Value New Value Added Reference https://support.f5.com/csp/article/K14673240?utm_source=f5support&utm_medium=RSS [No Types Assigned] -
CVE Modified by [email protected]
Sep. 10, 2019
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 06, 2019
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20190905-0002/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 03, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4116-1/ [No Types Assigned] Added Reference https://usn.ubuntu.com/4118-1/ [No Types Assigned] -
CVE Modified by [email protected]
Aug. 15, 2019
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 14, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 14, 2019
Action Type Old Value New Value Added Reference https://seclists.org/bugtraq/2019/Aug/26 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 13, 2019
Action Type Old Value New Value Added Reference https://www.debian.org/security/2019/dsa-4497 [No Types Assigned] Added Reference https://seclists.org/bugtraq/2019/Aug/18 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 13, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4094-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 01, 2019
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 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/v4.x/ChangeLog-4.18.7 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7 Mailing List, Release Notes, Vendor Advisory Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24 Mailing List, Patch, Vendor Advisory Changed Reference Type https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24 No Types Assigned https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24 Patch, Third Party Advisory Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.18.7
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20856 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-2018-20856
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
0.28520
percentile