PT-2016-6761 · Linux+3 · Linux Kernel+3

Pengfei Wang · Published 2016-06-02 · Updated 2017-03-22 · CVE-2016-6130

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.6

Description The issue is related to a race condition in the sclp ctl ioctl sccb function, which allows local users to obtain sensitive information from kernel memory. This is achieved by changing a certain length value, also known as a "double fetch" vulnerability.

Recommendations For versions prior to 4.6, update to version 4.6 or later to resolve the issue. As a temporary workaround, consider restricting access to the sclp ctl ioctl sccb function until a patch is available.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALT-PU-2016-1572

ALT-PU-2017-1330

CVE-2016-6130

DSA-3616-1

OPENSUSE-SU-2016_3021-1

SUSE-SU-2016:2912-1

SUSE-SU-2016:3304-1

SUSE-SU-2017:0471-1

USN-3099-1

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 248

• https://github.com/torvalds/linux/commit/532c34b5fbf1687df63b3fcd5b2846312ac943c6 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-6130 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-6130 · Security Note
• https://ubuntu.com/security/notices/USN-3099-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-6130 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0471-1 · Vendor Advisory
• http://debian.org/security/2016/dsa-3616 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:3304-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-6130 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-6130 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-6828 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-6130 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3099-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-6130 · Security Note
• https://osv.dev/vulnerability/DSA-3616-1 · Vendor Advisory