What is CVE-2016-7425?

CVE-2016-7425 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-10-16.

How severe is CVE-2016-7425?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2016-7425 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-2016-7425

The arcmsr_iop_message_xfer function in drivers/scsi/arcmsr/arcmsr_hba.c in the Linux kernel through 4.8.2 does not restrict a certain length field, which allows local users to gain privileges or cause a denial of service (heap-based buffer overflow) via an ARCMSR_MESSAGE_WRITE_WQBUFFER control code.

Vulnerability class: Buffer Overflow

Published 2016-10-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04

Weakness classification (CWE)

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

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.ubuntu.com/usn/USN-3146-2 (vendor-advisory, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
www.ubuntu.com/usn/USN-3144-2 (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-3146-1 (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-3145-1 (vendor-advisory, Third Party Advisory)
www.openwall.com/lists/oss-security/2016/09/17/2 (mailing-list, Mailing List, Third Party Advisory)
marc.info/ (mailing-list, Mailing List, Third Party Advisory)
www.ubuntu.com/usn/USN-3144-1 (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-3147-1 (vendor-advisory, Third Party Advisory)
marc.info/ (mailing-list, Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2016-7425?: CVE-2016-7425 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-10-16.
How severe is CVE-2016-7425?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2016-7425 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.