CVE-2017-18200

Description

The f2fs implementation in the Linux kernel before 4.14 mishandles reference counts associated with f2fs_wait_discard_bios calls, which allows local users to cause a denial of service (BUG), as demonstrated by fstrim.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory kernel.org Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/638164a2718f337ea224b747cf5977ef143166a4 third party advisory patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=638164a2718f337ea224b747cf5977ef143166a4 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-18200?
CVE-2017-18200 has been scored as a medium severity vulnerability.
How to fix CVE-2017-18200?
To fix CVE-2017-18200, 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-2017-18200 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-18200 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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