Published: 06/11/2017 Updated: 28/11/2017

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 437

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

The kvm_vm_ioctl_check_extension function in arch/powerpc/kvm/powerpc.c in the Linux kernel prior to 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.

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linux linux kernel

Synopsis Important: kernel-alt security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel-alt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability S ...

Several security issues were fixed in the Linux kernel ...

The kvm_vm_ioctl_check_extension function in arch/powerpc/kvm/powerpcc in the Linux kernel before 41311 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 ...

CWE-476 https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11 http://openwall.com/lists/oss-security/2017/11/06/6 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0 http://www.securityfocus.com/bid/101693 https://access.redhat.com/errata/RHSA-2018:0654 https://nvd.nist.gov https://usn.ubuntu.com/3507-2/

CVE-2017-15306

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