5.5
MEDIUM
CVE-2017-18241
Linux Kernel F2FS Segment NULL Pointer Dereference Denial of Service
Description

fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by using a noflush_merge option that triggers a NULL value for a flush_cmd_control data structure.

INFO

Published Date :

March 21, 2018, 4:29 p.m.

Last Modified :

Nov. 21, 2024, 3:19 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2017-18241 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Debian debian_linux

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-2017-18241 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-18241 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]

    Mar. 18, 2019

    Action Type Old Value New Value
    Changed Reference Type https://usn.ubuntu.com/3910-1/ No Types Assigned https://usn.ubuntu.com/3910-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3910-2/ No Types Assigned https://usn.ubuntu.com/3910-2/ Third Party Advisory
    Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 Patch, Vendor Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4187 No Types Assigned https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 Patch https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 Patch, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4188 No Types Assigned https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Mar. 17, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3910-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3910-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 03, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4188 [No Types Assigned]
    Added Reference https://www.debian.org/security/2018/dsa-4187 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 20, 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=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 Patch
    Changed Reference Type https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 No Types Assigned https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 Patch
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.13
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-18241 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-2017-18241 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

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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