CVE-2016-2085

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 v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1324867
https://github.com/torvalds/linux/commit/613317bd212c585c20796c10afe5daaa95d4b0a1	Patch Vendor Advisory
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2085.html
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=613317bd212c585c20796c10afe5daaa95d4b0a1	Vendor Advisory
https://security-tracker.debian.org/tracker/CVE-2016-2085
http://www.ubuntu.com/usn/USN-2949-1
http://www.ubuntu.com/usn/USN-2946-2
http://www.ubuntu.com/usn/USN-2947-2
http://www.ubuntu.com/usn/USN-2946-1
http://www.ubuntu.com/usn/USN-2947-3
http://www.ubuntu.com/usn/USN-2948-2
http://www.ubuntu.com/usn/USN-2947-1
http://www.ubuntu.com/usn/USN-2948-1

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2016-04-27 10:59

Updated : 2016-12-02 19:24

NVD link : CVE-2016-2085

Mitre link : CVE-2016-2085

JSON object : View

CWE

CWE-19

Data Processing Errors

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Products Affected

linux

linux_kernel

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