Is CVE-2017-5546 in the CISA KEV catalog?

No. CVE-2017-5546 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-5546?

CVE-2017-5546 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2017-5546?

CVE-2017-5546 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-5546?

Upgrade linux on debian 11 to 4.9.6-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2017-5546

HIGH

7.8

CVSS v3

NVD

Description

The freelist-randomization feature in mm/slab.c in the Linux kernel 4.8.x and 4.9.x before 4.9.5 allows local users to cause a denial of service (duplicate freelist entries and system crash) or possibly have unspecified other impact in opportunistic circumstances by leveraging the selection of a large value for a random number.

How to fix

Remediation Available

linuxDebian

Fixed in:4.9.6-1CVE-2017-5546

linux-hweUbuntu

Fixed in:4.10.0-27.30~16.04.2USN-3361-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Patch4

Vendor Advisory1

kernel.org

Third-Party Advisory1

securityfocus.com

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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.