CVE-2018-14609

Public Exploit

Description

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3821-1/ third party advisory vendor advisory
http://www.securityfocus.com/bid/104917 vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html third party advisory mailing list
https://patchwork.kernel.org/patch/10500521/ third party advisory patch
https://usn.ubuntu.com/3821-2/ third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4308 third party advisory vendor advisory
https://bugzilla.kernel.org/show_bug.cgi?id=199833 issue tracking exploit third party advisory
https://usn.ubuntu.com/4094-1/ vendor advisory
https://usn.ubuntu.com/4118-1/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-14609?
CVE-2018-14609 has been scored as a medium severity vulnerability.
How to fix CVE-2018-14609?
To fix CVE-2018-14609, 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-2018-14609 being actively exploited in the wild?
It is possible that CVE-2018-14609 is being exploited or will be exploited in a near future based on public information. 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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