medium5.5
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 (…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 5.3.4 |
Weakness classification
References
- NVD record
- CVE.org record
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4
- https://github.com/torvalds/linux/commit/7b09c2d052db4b4ad0b27b97918b46a7746966fa
- https://security.netapp.com/advisory/ntap-20200313-0003/
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4
- https://github.com/torvalds/linux/commit/7b09c2d052db4b4ad0b27b97918b46a7746966fa
- https://security.netapp.com/advisory/ntap-20200313-0003/