PT-2016-4075 · Linux+3 · Linux Kernel+3

Sasha Levin · Published 2016-01-13 · Updated 2024-10-15 · CVE-2015-8963

Positive Technologies (AI Summary)

CVSS v2.0

7.6

High

Base vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.4

Description The issue is related to a race condition in the kernel/events/core.c file, which allows local users to gain privileges or cause a denial of service due to incorrect handling of an swevent data structure during a CPU unplug operation. This can lead to a use-after-free condition.

Recommendations For Linux kernel versions prior to 4.4, update to version 4.4 or later to resolve the issue.

Exploit

Fix

DoS

Race Condition

Use After Free

Weakness Enumeration

CWE-362

CWE-416

Related Identifiers

ALT-PU-2016-1018

ALT-PU-2016-1485

CVE-2015-8963

DLA-772-1

OPENSUSE-SU-2016_3058-1

OPENSUSE-SU-2016_3061-1

SUSE-SU-2017:0407-1

SUSE-SU-2017:0464-1

SUSE-SU-2017:0471-1

USN-3360-1

USN-3360-2

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 214

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/overlayfs_priv_esc.rb · Exploit
• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/af_packet_chocobo_root_priv_esc.rb · Exploit
• 🔥 https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-2384 · Exploit
• 🔥 https://github.com/martinmullins/CVE-2016-8655_Android · Exploit
• 🔥 https://github.com/Kagami/docker_cve-2015-2925 · Exploit
• 🔥 https://github.com/LakshmiDesai/CVE-2016-8655 · Exploit
• 🔥 https://github.com/whu-enjoy/CVE-2015-8660 · Exploit
• https://github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee373 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-8963 · Vendor Advisory
• https://ubuntu.com/security/CVE-2014-9900 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:0407-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3360-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2015-8963 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8962 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-8963 · Vendor Advisory