CVE & CISA-KEV Catalog

CVE-2017-6346

HIGH
7.0
CVSS v3
NVD

Description

Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.

CWE-362Race ConditionCWE-416Use After Free

How to fix

Remediation Available
linuxDebian
Fixed in:4.9.13-1CVE-2017-6346
Fixed in:4.9.13-1CVE-2017-6346
Fixed in:4.9.13-1CVE-2017-6346
Fixed in:4.9.13-1CVE-2017-6346
linuxUbuntu
Fixed in:3.13.0-132.181USN-3422-1
Fixed in:4.4.0-75.96USN-3265-1
linux-awsUbuntu
Fixed in:4.4.0-1016.25USN-3265-1
linux-gkeUbuntu
Fixed in:4.4.0-1012.12USN-3265-1
linux-hweUbuntu
Fixed in:4.10.0-27.30~16.04.2USN-3361-1
linux-image-3.13.0-132-genericUbuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-3.13.0-132-generic-lpaeUbuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-3.13.0-132-lowlatencyUbuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-3.13.0-132-powerpc-e500Ubuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-3.13.0-132-powerpc-e500mcUbuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-3.13.0-132-powerpc-smpUbuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-3.13.0-132-powerpc64-embUbuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-3.13.0-132-powerpc64-smpUbuntu
Fixed in:3.13.0-132.181USN-3422-1
linux-image-4.10.0-27-genericUbuntu
Fixed in:4.10.0-27.30~16.04.2USN-3361-1
linux-image-4.10.0-27-generic-lpaeUbuntu
Fixed in:4.10.0-27.30~16.04.2USN-3361-1
linux-image-4.10.0-27-lowlatencyUbuntu
Fixed in:4.10.0-27.30~16.04.2USN-3361-1
linux-image-4.4.0-1012-gkeUbuntu
Fixed in:4.4.0-1012.12USN-3265-1
linux-image-4.4.0-1016-awsUbuntu
Fixed in:4.4.0-1016.25USN-3265-1
linux-image-4.4.0-1054-raspi2Ubuntu
Fixed in:4.4.0-1054.61USN-3265-1
linux-image-4.4.0-1057-snapdragonUbuntu
Fixed in:4.4.0-1057.61USN-3265-1
linux-image-4.4.0-75-genericUbuntu
Fixed in:4.4.0-75.96~14.04.1USN-3265-2
Fixed in:4.4.0-75.96USN-3265-1
linux-image-4.4.0-75-generic-lpaeUbuntu
Fixed in:4.4.0-75.96~14.04.1USN-3265-2
Fixed in:4.4.0-75.96USN-3265-1
linux-image-4.4.0-75-lowlatencyUbuntu
Fixed in:4.4.0-75.96~14.04.1USN-3265-2
Fixed in:4.4.0-75.96USN-3265-1
linux-image-4.4.0-75-powerpc-e500mcUbuntu
Fixed in:4.4.0-75.96~14.04.1USN-3265-2
Fixed in:4.4.0-75.96USN-3265-1
linux-image-4.4.0-75-powerpc-smpUbuntu
Fixed in:4.4.0-75.96~14.04.1USN-3265-2
Fixed in:4.4.0-75.96USN-3265-1
linux-image-4.4.0-75-powerpc64-smpUbuntu
Fixed in:4.4.0-75.96~14.04.1USN-3265-2
Fixed in:4.4.0-75.96USN-3265-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-75.96~14.04.1USN-3265-2
linux-raspi2Ubuntu
Fixed in:4.4.0-1054.61USN-3265-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1057.61USN-3265-1

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 ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.30%probability of exploitation in 30 days
22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-6387High8.1100%-Fix
CVE-2023-36884High7.599%KEV + RansomFix
CVE-2018-15473Medium5.399%-Fix
CVE-2024-27983High8.287%-Fix
CVE-2014-0226Medium6.886%-Fix
CVE-2016-5195High7.084%KEVFix
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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 2026-05-13.