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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26 ↗
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26 ↗
- https://launchpad.net/bugs/1847478 ↗
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 ↗
- https://usn.ubuntu.com/4161-1/ ↗
- https://security.netapp.com/advisory/ntap-20191031-0005/ ↗