What is CVE-2016-10154?

CVE-2016-10154 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2017-02-06.

How severe is CVE-2016-10154?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2016-10154 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linux Kernel

CVE-2016-10154

The smbhash function in fs/cifs/smbencrypt.c in the Linux kernel 4.9.x before 4.9.1 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a scatterlist.

Vulnerability class: Buffer Overflow

Published 2017-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (36.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Linux Kernel — versions 4.9

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

thdusdl1219/CVE-Study

References

www.securityfocus.com/bid/95714 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2017/01/21/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.1 (Release Notes, Vendor Advisory)
github.com/torvalds/linux/commit/06deeec77a5a689cc94b21a8a91a76e42176685d (Patch, Third Party Advisory, Issue Tracking)
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2016-10154?: CVE-2016-10154 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2017-02-06.
How severe is CVE-2016-10154?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2016-10154 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.