CVE & CISA-KEV Catalog

CVE-2017-2618

MEDIUM
5.5
CVSS v3
NVD

Description

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

How to fix

Remediation Available
linuxDebian
Fixed in:4.9.10-1CVE-2017-2618
Fixed in:4.9.10-1CVE-2017-2618
Fixed in:4.9.10-1CVE-2017-2618
Fixed in:4.9.10-1CVE-2017-2618
linuxUbuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-hweUbuntu
Fixed in:4.10.0-27.30~16.04.2USN-3361-1
linux-image-3.13.0-126-genericUbuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-image-3.13.0-126-generic-lpaeUbuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-image-3.13.0-126-lowlatencyUbuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-image-3.13.0-126-powerpc-e500Ubuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-image-3.13.0-126-powerpc-e500mcUbuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-image-3.13.0-126-powerpc-smpUbuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-image-3.13.0-126-powerpc64-embUbuntu
Fixed in:3.13.0-126.175USN-3381-1
linux-image-3.13.0-126-powerpc64-smpUbuntu
Fixed in:3.13.0-126.175USN-3381-1
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

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

0.46%probability of exploitation in 30 days
36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

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Markdown

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HTML

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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 2024-11-21.