| Name | CVE-2017-17448 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4073-1, DSA-4082-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.218-1 | fixed |
| bullseye (security) | 5.10.221-1 | fixed | |
| bookworm | 6.1.94-1 | fixed | |
| bookworm (security) | 6.1.90-1 | fixed | |
| trixie | 6.9.8-1 | fixed | |
| sid | 6.9.9-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | jessie | 3.16.51-3+deb8u1 | DSA-4082-1 | ||
| linux | source | stretch | 4.9.65-3+deb9u1 | DSA-4073-1 | ||
| linux | source | (unstable) | 4.14.7-1 |
[wheezy] - linux <ignored> (User namespaces not supported)
https://patchwork.kernel.org/patch/10089373/