CVE-2019-18198

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In the Linux kernel before 5.3.4, a reference count usage error in the fib6_rule_suppress() function in the fib6 suppression feature of net/ipv6/fib6_rules.c, when handling the FIB_LOOKUP_NOREF flag, can be exploited by a local attacker to corrupt memory, aka CID-ca7a03c41753.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-772

Affected software

No affected versions have been published.

Timeline

Published: Oct 18, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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