CVE-2019-20422

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…

published January 27, 2020

CVSS
—
EPSS
0%
Percentile
36.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00434 · 36.6th percentile
Published
2020-01-27T04:21Z
EPSS history
Timeline
  • 27 JAN 04:21Z
    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…
    cvelistv5