CVE-2019-20422

Description

In the Linux kernel before 5.3.4, fib6_rule_lookup in net/ipv6/ip6_fib.c mishandles the RT6_LOOKUP_F_DST_NOREF flag in a reference-count decision, leading to (for example) a crash that was identified by syzkaller, aka CID-7b09c2d052db.

References

https://security.netapp.com/advisory/ntap-20200313-0003/

https://github.com/torvalds/linux/commit/7b09c2d052db4b4ad0b27b97918b46a7746966fa

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS