CVE-2017-15274

Description

security/keys/keyctl.c in the Linux kernel before 4.11.5 does not consider the case of a NULL payload in conjunction with a nonzero length value, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted add_key or keyctl system call, a different vulnerability than CVE-2017-12192.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/5649645d725c73df4302428ee4e02c869248b4c5 issue tracking third party advisory patch
https://patchwork.kernel.org/patch/9781573/ issue tracking patch vendor advisory
https://usn.ubuntu.com/3583-2/ vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.5 release notes vendor advisory
https://usn.ubuntu.com/3583-1/ vendor advisory
http://www.securityfocus.com/bid/101292 vdb entry third party advisory
https://bugzilla.suse.com/show_bug.cgi?id=1045327 issue tracking third party advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5649645d725c73df4302428ee4e02c869248b4c5 issue tracking third party advisory patch
https://access.redhat.com/errata/RHSA-2019:1946 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-15274?
CVE-2017-15274 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15274?
To fix CVE-2017-15274, 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-2017-15274 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15274 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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