| Name | CVE-2017-17449 |
| Description | The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not restrict observations of Netlink messages to a single net namespace, which allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system. |
| 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 | wheezy | (not affected) | |||
| 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 <not-affected> (Vulnerable code not present)
https://lkml.org/lkml/2017/12/5/950