CVE-2017-18241

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2018/dsa-4187 third party advisory vendor advisory
https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 third party advisory patch
https://usn.ubuntu.com/3910-1/ third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4188 third party advisory vendor advisory
https://usn.ubuntu.com/3910-2/ third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-18241?
CVE-2017-18241 has been scored as a medium severity vulnerability.
How to fix CVE-2017-18241?
To fix CVE-2017-18241, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-18241 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-18241 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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