Vulnerability Details CVE-2019-18198
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 35.2%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
Products affected by CVE-2019-18198
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cpe:2.3:o:canonical:ubuntu_linux:19.10
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cpe:2.3:o:linux:linux_kernel:5.3
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cpe:2.3:o:linux:linux_kernel:5.3.1
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cpe:2.3:o:linux:linux_kernel:5.3.2
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cpe:2.3:o:linux:linux_kernel:5.3.3