CVE-2016-5244

The rds_inc_info_copy function in net/rds/recv.c in the Linux kernel through 4.6.3 does not initialize a certain structure member, which allows remote attackers to obtain sensitive information from kernel stack memory by reading an RDS message.

Published: 2016-06-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-5244 is rated Moderate Risk (62.1/100): CVSS High severity, with high exploitation likelihood (EPSS 5.52%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-5244

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-27 5.57% 5.52% -0.04%
2 2026-06-15 0.58% 5.57% +4.99%
3 2025-12-28 — 0.58% —

Full EPSS history (26 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-5244

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-5244

OS Trackers for CVE-2016-5244

vendor priority summary link
debian not yet assigned CVE-2016-5244 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-5244
redhat low — https://access.redhat.com/security/cve/CVE-2016-5244
suse medium CVE-2016-5244 severity moderate: SUSE including 224 source package names (kernel-bigsmp-3.0.101-0.47.86.1, kernel-bigsmp-base-3.0.101-0.47.86.1, …), 606 product×package rows across 102 product lines (SUSE CaaS Platform 4.5, SUSE Enterprise Storage 7, … (102 product lines)): Fixed 369, Known Not Affected 237. https://www.suse.com/security/cve/CVE-2016-5244/
ubuntu medium CVE-2016-5244 medium priority: Ubuntu including 99 source packages (linux, linux-armadaxp, …), 828 status rows across 13 suites (artful, bionic, focal, jammy, noble, plucky, precise, trusty, upstream, wily, xenial, yakkety, zesty): DNE 551, not-affected 133, released 109, ignored 35. https://ubuntu.com/security/CVE-2016-5244

Affected software / configurations for CVE-2016-5244

Vendor Product Version Raw CPE
fedoraproject fedora 23 cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
suse linux_enterprise_real_time_extension 11 cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp4:*:*:*:*:*:*
fedoraproject fedora 24 cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
suse linux_enterprise_debuginfo 11 cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp4:*:*:*:*:*:*
suse linux_enterprise_real_time_extension 12 cpe:2.3:o:suse:linux_enterprise_real_time_extension:12:sp1:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:extra:*:*:*:*:*:*
redhat enterprise_linux 6.0 cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
suse suse_linux_enterprise_software_development_kit 11 cpe:2.3:a:suse:suse_linux_enterprise_software_development_kit:11:sp4:*:*:*:*:*:*
suse linux_enterprise_workstation_extension 12 cpe:2.3:o:suse:linux_enterprise_workstation_extension:12:*:*:*:*:*:*:*
redhat enterprise_linux 5 cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
suse linux_enterprise_desktop 12 cpe:2.3:o:suse:linux_enterprise_desktop:12:*:*:*:*:*:*:*
suse opensuse_leap 42.1 cpe:2.3:o:suse:opensuse_leap:42.1:*:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*
suse suse_linux_enterprise_software_development_kit 12 cpe:2.3:a:suse:suse_linux_enterprise_software_development_kit:12:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
linux linux_kernel <= 4.6.3 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
suse suse_linux_enterprise_server 12 cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*

References for CVE-2016-5244

URL Tags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4116def2337991b39919f3b448326e21c40e0dbb Patch
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
http://www.debian.org/security/2016/dsa-3607
http://www.openwall.com/lists/oss-security/2016/06/03/5 Mailing List Technical Description
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/91021
http://www.securitytracker.com/id/1041895
http://www.ubuntu.com/usn/USN-3070-1
http://www.ubuntu.com/usn/USN-3070-2
http://www.ubuntu.com/usn/USN-3070-3
http://www.ubuntu.com/usn/USN-3070-4
http://www.ubuntu.com/usn/USN-3071-1
http://www.ubuntu.com/usn/USN-3071-2
http://www.ubuntu.com/usn/USN-3072-1
http://www.ubuntu.com/usn/USN-3072-2
https://bugzilla.redhat.com/show_bug.cgi?id=1343337 Issue Tracking
https://github.com/torvalds/linux/commit/4116def2337991b39919f3b448326e21c40e0dbb Patch
https://patchwork.ozlabs.org/patch/629110/ Patch
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