CVE-2017-15306
Kernel: KVM: oops when checking KVM_CAP_PPC_HTM on PPC platform
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 6, 2017
Updated · May 13, 2026
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.
Statement
This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.2CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 · 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE-476 · NULL Pointer Dereference