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CVE-2016-4998

The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a…

High7.1EPSS 1.9%
Published
Updated
Reserved
Assigned by
redhat

Description

The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.

Scores

CVSS scores of CVE-2016-4998, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.1CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS (exploitation in 30 days)
1.9% · top 20% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.

Weakness

Affected products

  • n/a

    • affected n/a

References (27)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .