CVE-2016-2085

Sažetak

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.

Reference

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

CVSS

Base:	2.1
Impact:	2.9
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
LOCAL	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	PARTIAL	NONE

CVSS vektor

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

Zadnje važnije ažuriranje

03-12-2016 - 03:24

Objavljeno

27-04-2016 - 17:59