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CVE-2016-2085

Good to know:

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Date: April 27, 2016

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.

Language: C

Severity Score

Related Resources (17)

https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2085.html
https://security-tracker.debian.org/tracker/CVE-2016-2085
http://www.ubuntu.com/usn/USN-2949-1
http://www.ubuntu.com/usn/USN-2947-3
http://www.ubuntu.com/usn/USN-2948-2
https://nvd.nist.gov/vuln/detail/CVE-2016-2085
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2085
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=613317bd212c585c20796c10afe5daaa95d4b0a1
https://github.com/torvalds/linux/commit/613317bd212c585c20796c10afe5daaa95d4b0a1
http://www.ubuntu.com/usn/USN-2947-2
http://www.ubuntu.com/usn/USN-2948-1
http://www.ubuntu.com/usn/USN-2947-1
http://www.ubuntu.com/usn/USN-2946-2
http://www.ubuntu.com/usn/USN-2946-1
https://bugzilla.redhat.com/show_bug.cgi?id=1324867
https://access.redhat.com/security/cve/CVE-2016-2085
https://www.mend.io/vulnerability-database/CVE-2016-2085

Severity Score

Weakness Type (CWE)

Data Handling

CWE-19

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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