PT-2017-13983 · Linux+2 · Linux Kernel+2

David Gibson + 3 · Published 2017-11-02 · Updated 2018-07-09 · CVE-2017-15306

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.13.11

Description The issue allows local users to cause a denial of service, resulting in a system crash due to a NULL pointer dereference. This can be achieved by making a KVM CHECK EXTENSION KVM CAP PPC HTM ioctl call to the /dev/kvm API endpoint.

Recommendations For Linux kernel versions prior to 4.13.11, update to version 4.13.11 or later to resolve the issue.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2017-2561

ALT-PU-2018-1991

CVE-2017-15306

RHSA-2018:0654

USN-3507-1

USN-3507-2

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 20

• https://github.com/torvalds/linux/commit/ac64115a66c18c01745bbd3c47a36b124e5fd8c0 · Patch
• https://osv.dev/vulnerability/CVE-2017-15306 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15306 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15951 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-15306 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-15306 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-1000405 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16939 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3507-1 · Vendor Advisory
• http://openwall.com/lists/oss-security/2017/11/06/6 · Patch
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac64115a66c18c01745bbd3c47a36b124e5fd8c0 · Patch
• https://security-tracker.debian.org/tracker/CVE-2017-15306 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-12193 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15299 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-15306 · Security Note