CVE-2016-2085

MEDIUMNVD 5.55.5—

5.5

The evm_verify_hmac function in security/integrity/evm/evm_main.c in the Linux kernel before 4.5 does not properly copy data, which makes it easier for local users to forge MAC values via a timing side-channel attack.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 22.0%
KEV: Not listed

Published

April 27, 2016

Last Modified

May 6, 2026

References (26)

cve@mitrehttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=613317bd212c585c20796c10afe5daaa95d4b0a1
cve@mitrehttp://www.ubuntu.com/usn/USN-2946-1
cve@mitrehttp://www.ubuntu.com/usn/USN-2946-2
cve@mitrehttp://www.ubuntu.com/usn/USN-2947-1
cve@mitrehttp://www.ubuntu.com/usn/USN-2947-2
cve@mitrehttp://www.ubuntu.com/usn/USN-2947-3
cve@mitrehttp://www.ubuntu.com/usn/USN-2948-1
cve@mitrehttp://www.ubuntu.com/usn/USN-2948-2
cve@mitrehttp://www.ubuntu.com/usn/USN-2949-1
cve@mitrehttps://bugzilla.redhat.com/show_bug.cgi?id=1324867
cve@mitrehttps://github.com/torvalds/linux/commit/613317bd212c585c20796c10afe5daaa95d4b0a1
cve@mitrehttps://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2085.html
cve@mitrehttps://security-tracker.debian.org/tracker/CVE-2016-2085
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=613317bd212c585c20796c10afe5daaa95d4b0a1
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2946-1

Patch Availability(7)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-4.2.0-1028-raspi2 (4.2.0-1028.36) @ wily	2026-05-22	ubuntu
ubuntu	linux-image-4.2.0-35-powerpc64-smp (4.2.0-35.40) @ wily	2026-05-22	ubuntu
ubuntu	linux-image-extra-3.16.0-69-generic (3.16.0-69.89~14.04.1) @ trusty	2026-05-22	ubuntu
ubuntu	linux-image-extra-3.19.0-58-generic (3.19.0-58.64~14.04.1) @ trusty	2026-05-22	ubuntu
ubuntu	linux-image-extra-3.13.0-85-generic (3.13.0-85.129) @ trusty	2026-05-22	ubuntu
ubuntu	linux-image-3.13.0-85-generic-lpae (3.13.0-85.129~precise1) @ precise	2026-05-22	ubuntu
ubuntu	linux-image-extra-4.2.0-35-generic (4.2.0-35.40~14.04.1) @ trusty	2026-05-22	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(7)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 20:29 UTCOSV refresh
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-2085?

CVE-2016-2085 is a medium vulnerability published on April 27, 2016. The evmverifyhmac function in security/integrity/evm/evm_main.c in the Linux kernel before 4.5 does not properly copy data, which makes it easier for local users to forge MAC values via a timing side-channel attack.

When was CVE-2016-2085 disclosed?

CVE-2016-2085 was first published in the National Vulnerability Database on April 27, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-2085 actively exploited?

CVE-2016-2085 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-2085?

CVE-2016-2085 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2016-2085?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-2085, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2016-2085

Explore →

Is Your Infrastructure Affected by CVE-2016-2085?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs