CVE & CISA-KEV Catalog

CVE-2017-2671

MEDIUMEPSS 70th pctl
5.5
CVSS v3
NVD

Description

The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a socket system call.

How to fix

Remediation Available
linuxDebian
Fixed in:4.9.25-1CVE-2017-2671
Fixed in:4.9.25-1CVE-2017-2671
Fixed in:4.9.25-1CVE-2017-2671
Fixed in:4.9.25-1CVE-2017-2671
linuxUbuntu
Fixed in:3.13.0-157.207USN-3754-1
Fixed in:4.4.0-79.100USN-3312-1
linux-awsUbuntu
Fixed in:4.4.0-1018.27USN-3312-1
linux-gkeUbuntu
Fixed in:4.4.0-1014.14USN-3312-1
linux-hweUbuntu
Fixed in:4.10.0-27.30~16.04.2USN-3361-1
linux-image-3.13.0-157-genericUbuntu
Fixed in:3.13.0-157.207USN-3754-1
linux-image-3.13.0-157-generic-lpaeUbuntu
Fixed in:3.13.0-157.207USN-3754-1
linux-image-3.13.0-157-lowlatencyUbuntu
Fixed in:3.13.0-157.207USN-3754-1
linux-image-3.13.0-157-powerpc-e500Ubuntu
Fixed in:3.13.0-157.207USN-3754-1
linux-image-3.13.0-157-powerpc-e500mcUbuntu
Fixed in:3.13.0-157.207USN-3754-1
linux-image-3.13.0-157-powerpc-smpUbuntu
Fixed in:3.13.0-157.207USN-3754-1
linux-image-3.13.0-157-powerpc64-embUbuntu
Fixed in:3.13.0-157.207USN-3754-1
linux-image-3.13.0-157-powerpc64-smpUbuntu
Fixed in:3.13.0-157.207USN-3754-1
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-4.4.0-1014-gkeUbuntu
Fixed in:4.4.0-1014.14USN-3312-1
linux-image-4.4.0-1018-awsUbuntu
Fixed in:4.4.0-1018.27USN-3312-1
linux-image-4.4.0-1057-raspi2Ubuntu
Fixed in:4.4.0-1057.64USN-3312-1
linux-image-4.4.0-1059-snapdragonUbuntu
Fixed in:4.4.0-1059.63USN-3312-1
linux-image-4.4.0-79-genericUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
Fixed in:4.4.0-79.100USN-3312-1
linux-image-4.4.0-79-generic-lpaeUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
Fixed in:4.4.0-79.100USN-3312-1
linux-image-4.4.0-79-lowlatencyUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
Fixed in:4.4.0-79.100USN-3312-1
linux-image-4.4.0-79-powerpc-e500mcUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
Fixed in:4.4.0-79.100USN-3312-1
linux-image-4.4.0-79-powerpc-smpUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
Fixed in:4.4.0-79.100USN-3312-1
linux-image-4.4.0-79-powerpc64-embUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
linux-image-4.4.0-79-powerpc64-smpUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
Fixed in:4.4.0-79.100USN-3312-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-79.100~14.04.1USN-3312-2
linux-raspi2Ubuntu
Fixed in:4.4.0-1057.64USN-3312-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1059.63USN-3312-1

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

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

1.46%probability of exploitation in 30 days
70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

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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.