CVE-2016-4485

moderate-risk
Published 2016-05-23

The llc_cmsg_rcv function in net/llc/af_llc.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows attackers to obtain sensitive information from kernel stack memory by reading a message.

Do I need to act?

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0.51% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (9)

Affected Vendors

Linux Canonical Novell

References (44)

Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8670c...
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
http://www.debian.org/security/2016/dsa-3607
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
Mailing List http://www.openwall.com/lists/oss-security/2016/05/04/26
http://www.securityfocus.com/bid/90015
Third Party Advisory http://www.ubuntu.com/usn/USN-2989-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2996-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2997-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2998-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3000-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3001-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3002-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3003-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3004-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3005-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3006-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3007-1
and 24 more references
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 15/34 · Moderate