CVE-2017-15299

Description

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.01%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1498016 issue tracking third party advisory
https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html mailing list
https://access.redhat.com/errata/RHSA-2018:0654 vendor advisory
https://marc.info/?t=150654188100001&r=1&w=2 issue tracking third party advisory patch
https://usn.ubuntu.com/3798-1/ vendor advisory
https://usn.ubuntu.com/3798-2/ vendor advisory
https://marc.info/?t=150783958600011&r=1&w=2 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-15299?
CVE-2017-15299 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15299?
To fix CVE-2017-15299, 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-2017-15299 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15299 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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