CVE-2017-15306

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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0	Patch
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11	Release Notes
http://openwall.com/lists/oss-security/2017/11/06/6	Mailing List Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0	Patch
http://www.securityfocus.com/bid/101693	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2017-11-06 10:29

Updated : 2017-11-28 10:48

NVD link : CVE-2017-15306

Mitre link : CVE-2017-15306

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

linux

linux_kernel

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