CVE-2017-17448 | BDVDB-2026-93766 Detail
Description#
net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://patchwork.kernel.org/patch/10089373/
- https://usn.ubuntu.com/3617-1/
- https://usn.ubuntu.com/3619-2/
- https://www.debian.org/security/2018/dsa-4082
- https://usn.ubuntu.com/3617-3/
- https://usn.ubuntu.com/3632-1/
- https://usn.ubuntu.com/3620-2/
- https://access.redhat.com/errata/RHSA-2018:1062
- https://access.redhat.com/errata/RHSA-2018:0654
- https://access.redhat.com/errata/RHSA-2018:0676
- https://www.debian.org/security/2017/dsa-4073
- https://usn.ubuntu.com/3617-2/
- http://www.securityfocus.com/bid/102117
- https://usn.ubuntu.com/3620-1/
- https://usn.ubuntu.com/3619-1/
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.