CVE-2017-15306

Description

The kvm_vm_ioctl_check_extension function in arch/powerpc/kvm/powerpc.c in the Linux kernel before 4.13.11 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a KVM_CHECK_EXTENSION KVM_CAP_PPC_HTM ioctl call to /dev/kvm.

Category

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

References

Link Tags
http://www.securityfocus.com/bid/101693 vdb entry third party advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11 release notes
https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0 patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0 patch
http://openwall.com/lists/oss-security/2017/11/06/6 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-15306?
CVE-2017-15306 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15306?
To fix CVE-2017-15306, 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-2017-15306 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15306 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.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.