PT-2016-7732 · Linux+2 · Linux Kernel+2

Zer0Mem · Published 2016-11-11 · Updated 2022-12-09 · CVE-2016-9313

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.8.7

Description The issue is related to the mishandling of unsuccessful crypto registration in conjunction with successful key-type registration. This can be exploited by local users to cause a denial of service, resulting in a NULL pointer dereference and panic, or possibly have other unspecified impacts. The exploitation is possible via a crafted application that uses the big key data type.

Recommendations For Linux kernel versions prior to 4.8.7, update to version 4.8.7 or later to resolve the issue.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2016-2276

CVE-2016-9313

USN-3162-1

USN-3162-2

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 14

• 🔥 http://openwall.com/lists/oss-security/2016/07/22/1 · Exploit
• https://github.com/torvalds/linux/commit/7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb · Patch
• https://ubuntu.com/security/notices/USN-3162-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-9313 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-9313 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-9313 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9313 · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb · Patch
• https://security-tracker.debian.org/tracker/CVE-2016-9313 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9313 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3162-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-9313 · Security Note
• http://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7 · Note
• http://securityfocus.com/bid/94546 · Note