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Fencer Vulns
medium 5.5

CVE-2017-15306 json

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 de…

published 2017-11-06 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6762

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.13.13-1

debian advisories DEBIAN-CVE-2017-15306

  • linux-gcp Ubuntu 16.04 LTS 4.13.0-1002.5
  • linux-hwe Ubuntu 16.04 LTS 4.13.0-32.35~16.04.1
  • linux-oem Ubuntu 16.04 LTS 4.13.0-1010.11
  • linux-azure Ubuntu 16.04 LTS 4.13.0-1005.7

ubuntu advisories UBUNTU-CVE-2017-15306

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-alt RHEL 7 4.14.0-49.el7a
  • perf RHEL 7 4.14.0-49.el7a
  • kernel RHEL 7 4.14.0-49.el7a
  • python-perf RHEL 7 4.14.0-49.el7a
  • kernel-kdump RHEL 7 4.14.0-49.el7a
  • kernel-tools RHEL 7 4.14.0-49.el7a
  • kernel-tools-libs RHEL 7 4.14.0-49.el7a
  • kernel-bootwrapper RHEL 7 4.14.0-49.el7a

red hat advisories RHSA-2018:0654

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-15306 updated cvss 6.2

Kernel: KVM: oops when checking KVM_CAP_PPC_HTM on PPC platform

  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-49.el7a, kernel 4.14.0-49.el7a, kernel-alt 4.14.0-49.el7a, python-perf 4.14.0-49.el7a, kernel-kdump 4.14.0-49.el7a, kernel-tools 4.14.0-49.el7a, +6 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-aarch64 4.14.0-49.el7a, kernel-debuginfo-common-ppc64le 4.14.0-49.el7a
    fixed: vendor fix RHSA-2018:0654
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.