Description
The nft_flush_table function in net/netfilter/nf_tables_api.c in the Linux kernel before 3.18.5 mishandles the interaction between cross-chain jumps and ruleset flushes, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability.
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://bugzilla.redhat.com/show_bug.cgi?id=1190966 ↗
- https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008ac ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18db0c68fec96631c10cad9384c196e9008ac ↗
- http://rhn.redhat.com/errata/RHSA-2015-1138.html ↗
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5 ↗
- http://www.securityfocus.com/bid/72552 ↗
- http://www.openwall.com/lists/oss-security/2015/02/10/13 ↗
- http://rhn.redhat.com/errata/RHSA-2015-1137.html ↗