CVE-2016-2085

5.5 MEDIUM

Published: April 27, 2016 Modified: May 06, 2026

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=613317bd212c585c20796c10afe5daaa95d4b0a1

Source: cve@mitre.org

Vendor Advisory

http://www.ubuntu.com/usn/USN-2946-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2946-2

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2947-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2947-2

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2947-3

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2948-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2948-2

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2949-1

Source: cve@mitre.org

https://bugzilla.redhat.com/show_bug.cgi?id=1324867

Source: cve@mitre.org

https://github.com/torvalds/linux/commit/613317bd212c585c20796c10afe5daaa95d4b0a1

Source: cve@mitre.org

Patch Vendor Advisory

https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2085.html

Source: cve@mitre.org

https://security-tracker.debian.org/tracker/CVE-2016-2085

Source: cve@mitre.org

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=613317bd212c585c20796c10afe5daaa95d4b0a1