CVE-2017-18249
Linux FsF2fs Race Condition Denial of Service
Description
The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly have unspecified other impact via concurrent threads.
INFO
Published Date :
March 26, 2018, 8:29 p.m.
Last Modified :
Nov. 21, 2024, 3:19 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | HIGH | [email protected] |
Solution
- Update the Linux kernel package.
- Update the affected Linux packages.
- Reboot the system after the update.
Public PoC/Exploit Available at Github
CVE-2017-18249 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-2017-18249.
| URL | Resource |
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3 | Patch Third Party Advisory |
| http://www.securitytracker.com/id/1041432 | Third Party Advisory VDB Entry |
| https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/3932-1/ | |
| https://usn.ubuntu.com/3932-2/ | |
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3 | Patch Third Party Advisory |
| http://www.securitytracker.com/id/1041432 | Third Party Advisory VDB Entry |
| https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/3932-1/ | |
| https://usn.ubuntu.com/3932-2/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-18249 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-2017-18249
weaknesses.
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).
Samsung security patch description
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-18249 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-18249 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3 Added Reference http://www.securitytracker.com/id/1041432 Added Reference https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3 Added Reference https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html Added Reference https://usn.ubuntu.com/3932-1/ Added Reference https://usn.ubuntu.com/3932-2/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 03, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3932-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3932-1/ [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 18, 2019
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html Mailing List, Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1041432 No Types Assigned http://www.securitytracker.com/id/1041432 Third Party Advisory, VDB Entry Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 18, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 09, 2018
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1041432 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 18, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3 Patch, Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3 No Types Assigned https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3 Patch, Third Party Advisory Added CWE CWE-362 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.12
Vulnerability Scoring Details
Base CVSS Score: 7
Base CVSS Score: 4.4
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} 0.03%
score
0.22677
percentile