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CVE-2017-15306

Good to know:

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Date: November 6, 2017

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.

Language: C

Severity Score

Related Resources (9)

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
http://openwall.com/lists/oss-security/2017/11/06/6
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-15306
https://nvd.nist.gov/vuln/detail/CVE-2017-15306
https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0
http://www.securityfocus.com/bid/101693
https://access.redhat.com/security/cve/CVE-2017-15306
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0
https://www.mend.io/vulnerability-database/CVE-2017-15306

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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