PT-2016-5973 · Linux+3 · Linux Kernel+3

Kangjie Lu · Published 2016-05-23 · Updated 2023-09-12 · CVE-2016-4482

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.7

Description The issue concerns the proc connectinfo function in the Linux kernel, which fails to initialize a certain data structure. This allows local users to obtain sensitive information from kernel stack memory by making a crafted USBDEVFS CONNECTINFO ioctl call.

Recommendations For Linux kernel versions prior to 4.7, update to version 4.7 or later to resolve the issue.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2016-1634

ALT-PU-2017-1330

CVE-2016-4482

DLA-516-1

DSA-3607-1

OPENSUSE-SU-2016_1641-1

OPENSUSE-SU-2016_2144-1

OPENSUSE-SU-2016_2184-1

SUSE-SU-2016:1672-1

SUSE-SU-2016:1690-1

SUSE-SU-2016:1696-1

SUSE-SU-2016:1937-1

SUSE-SU-2016:1985-1

SUSE-SU-2016:2105-1

SUSE-SU-2016:2245-1

SUSE-SU-2017:0333-1

USN-3016-1

USN-3016-2

USN-3016-3

USN-3016-4

USN-3017-1

USN-3017-2

USN-3017-3

USN-3018-1

USN-3018-2

USN-3019-1

USN-3020-1

USN-3021-1

USN-3021-2

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 461

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/netfilter_priv_esc_ipv4.rb · Exploit
• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/bpf_priv_esc.rb · Exploit
• 🔥 https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-2384 · Exploit
• 🔥 https://github.com/wpengfei/CVE-2016-6516-exploit · Exploit
• https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee · Vendor Advisory
• https://osv.dev/vulnerability/USN-3016-4 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html · Vendor Advisory
• http://ubuntu.com/usn/USN-3019-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-4482 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-4482 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-4913 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html · Vendor Advisory
• http://ubuntu.com/usn/USN-3018-1 · Vendor Advisory
• http://ubuntu.com/usn/USN-3016-3 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=681fef8380eb818c0b845fca5d2ab1dcbab114ee · Vendor Advisory