Description

In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3

https://arxiv.org/pdf/2112.09604.pdf

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99

https://security.netapp.com/advisory/ntap-20220121-0001/

Details

Risk Information

CVSS v2

CVSS v3