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ubuntucveUbuntu.comUB:CVE-2017-15306
HistoryNov 06, 2017 - 12:00 a.m.

CVE-2017-15306

2017-11-0600:00:00
ubuntu.com
ubuntu.com
8

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

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.

Notes

Author Note
sbeattie PPC arches only reproducer in commit message
OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux< 4.13.0-19.22UNKNOWN
ubuntu16.04noarchlinux-azure< 4.13.0-1005.7UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1002.5UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-26.29~16.04.2UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-26.29~16.04.2UNKNOWN
ubuntu16.04noarchlinux-oem< 4.13.0-1010.11UNKNOWN
ubuntu17.10noarchlinux-raspi2< 4.13.0-1008.8UNKNOWN

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

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