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CVE-2016-4486

24
FAUCET Score

CVE-2016-4486 is a local information disclosure vulnerability affecting the Linux kernel before version 4.5.5, specifically within the rtnl_fill_link_ifmap function. A low-privileged local attacker can exploit this flaw to read uninitialized kernel stack memory via Netlink messages, potentially exposing sensitive information. The CVSSv3 score is 3.3 (Low), indicating a low attack complexity and impact limited to confidentiality. While there is an ExploitDB entry (EDB-46006), there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
11.0CPE matchmatch criteria
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp4:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.71%
Probability of exploitation in next 30 days
EPSS Percentile
75.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-46006 · Dec 19, 2018
This CVE's current EPSS score of 0.0171 is in the 99th percentile among its peer group of 1,509 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

github_advisoryvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2016-4486Low

kernel: Information leak in rtnetlink

May 4, 2016

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
lists.opensuse.org / opensuse-security-announce/2016-06/msg00044.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00052.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-06/msg00054.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-06/msg00056.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-08/msg00000.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-08/msg00007.html
lists.opensuse.org / opensuse-security-announce/2016-08/msg00038.html
lists.opensuse.org / opensuse-security-announce/2016-08/msg00044.html
lists.opensuse.org / opensuse-security-announce/2016-08/msg00055.html
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party AdvisoryVDB Entry
github.com / torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6
Vendor Advisory
exploit-db.com / exploits/46006
debian.org / security/2016/dsa-3607
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.5.5
openwall.com / lists/oss-security/2016/05/04/27
securityfocus.com / bid/90051
ubuntu.com / usn/USN-2989-1
Third Party Advisory
ubuntu.com / usn/USN-2996-1
Third Party Advisory
ubuntu.com / usn/USN-2997-1
Third Party Advisory
ubuntu.com / usn/USN-2998-1
Third Party Advisory
ubuntu.com / usn/USN-3000-1
Third Party Advisory
ubuntu.com / usn/USN-3001-1
Third Party Advisory
ubuntu.com / usn/USN-3002-1
Third Party Advisory
ubuntu.com / usn/USN-3003-1
Third Party Advisory
ubuntu.com / usn/USN-3004-1
Third Party Advisory
ubuntu.com / usn/USN-3005-1
Third Party Advisory
ubuntu.com / usn/USN-3006-1
Third Party Advisory
ubuntu.com / usn/USN-3007-1
Third Party Advisory