PT-2017-7773 · Linux · Linux Kernel

Eric Biggers · Published 2017-02-06 · Updated 2017-02-09 · CVE-2016-10154

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 4.9.x before 4.9.1

Description The issue is related to the smbhash function in fs/cifs/smbencrypt.c, which interacts incorrectly with the CONFIG VMAP STACK option. This can allow local users to cause a denial of service, such as a system crash or memory corruption, by leveraging the use of more than one virtual page for a scatterlist.

Recommendations For Linux kernel versions 4.9.x before 4.9.1, update to version 4.9.1 or later to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2016-10154

Affected Products

Linux Kernel

References · 14

• https://github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685d · Patch
• http://openwall.com/lists/oss-security/2017/01/21/3 · Patch
• https://security-tracker.debian.org/tracker/CVE-2016-10154 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-10154 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-10154 · Vendor Advisory
• http://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1416104 · Patch
• https://cve.org/CVERecord?id=CVE-2016-10154 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2016-10154 · Security Note
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06deeec77a5a689cc94b21a8a91a76e42176685d · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-10154 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-10154 · Vendor Advisory
• http://securityfocus.com/bid/95714 · Note
• http://seclists.org/oss-sec/2017/q1/161 · Note