CVE & CISA-KEV Catalog

CVE-2016-5243

MEDIUM
5.5
CVSS v3
NVD

Description

The tipc_nl_compat_link_dump function in net/tipc/netlink_compat.c in the Linux kernel through 4.6.3 does not properly copy a certain string, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

CWE-200Information Exposure

How to fix

Remediation Available
linuxDebian
Fixed in:4.6.2-1CVE-2016-5243
Fixed in:4.6.2-1CVE-2016-5243
Fixed in:4.6.2-1CVE-2016-5243
Fixed in:4.6.2-1CVE-2016-5243
linuxUbuntu
Fixed in:3.13.0-93.140USN-3052-1
Fixed in:4.4.0-34.53USN-3055-1
linux-image-3.13.0-93-genericUbuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.13.0-93-generic-lpaeUbuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.13.0-93-lowlatencyUbuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.13.0-93-powerpc-e500Ubuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.13.0-93-powerpc-e500mcUbuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.13.0-93-powerpc-smpUbuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.13.0-93-powerpc64-embUbuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.13.0-93-powerpc64-smpUbuntu
Fixed in:3.13.0-93.140USN-3052-1
linux-image-3.19.0-66-genericUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-image-3.19.0-66-generic-lpaeUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-image-3.19.0-66-lowlatencyUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-image-3.19.0-66-powerpc-e500mcUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-image-3.19.0-66-powerpc-smpUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-image-3.19.0-66-powerpc64-embUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-image-3.19.0-66-powerpc64-smpUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-image-4.4.0-1019-raspi2Ubuntu
Fixed in:4.4.0-1019.25USN-3056-1
linux-image-4.4.0-1022-snapdragonUbuntu
Fixed in:4.4.0-1022.25USN-3057-1
linux-image-4.4.0-34-genericUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
Fixed in:4.4.0-34.53USN-3055-1
linux-image-4.4.0-34-generic-lpaeUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
Fixed in:4.4.0-34.53USN-3055-1
linux-image-4.4.0-34-lowlatencyUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
Fixed in:4.4.0-34.53USN-3055-1
linux-image-4.4.0-34-powerpc-e500mcUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
Fixed in:4.4.0-34.53USN-3055-1
linux-image-4.4.0-34-powerpc-smpUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
Fixed in:4.4.0-34.53USN-3055-1
linux-image-4.4.0-34-powerpc64-embUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
Fixed in:4.4.0-34.53USN-3055-1
linux-image-4.4.0-34-powerpc64-smpUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
Fixed in:4.4.0-34.53USN-3055-1
linux-lts-vividUbuntu
Fixed in:3.19.0-66.74~14.04.1USN-3053-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-34.53~14.04.1USN-3054-1
linux-raspi2Ubuntu
Fixed in:4.4.0-1019.25USN-3056-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1022.25USN-3057-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

0.50%probability of exploitation in 30 days
39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-24919High8.6100%KEV + Ransom-
CVE-2020-14181Medium5.3100%-Fix
CVE-2021-34429Medium5.399%-Fix
CVE-2018-11409Medium5.398%--
CVE-2021-41277Critical10.097%KEV-
CVE-2016-2183High7.596%-Fix
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CVE-2016-5243 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.