CVE-2017-15129
Description
A use-after-free vulnerability was found in network namespaces code affecting the Linux kernel before 4.14.11. The function get_net_ns_by_id() in net/core/net_namespace.c does not check for the net::count value after it has found a peer network in netns_ids idr, which could lead to double free and memory corruption. This vulnerability could allow an unprivileged local user to induce kernel memory corruption on the system, leading to a crash. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is thought to be unlikely.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-15129
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-15129.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.14.12-1 |
| debian | bullseye | fixed | 4.14.12-1 |
| debian | forky | fixed | 4.14.12-1 |
| debian | sid | fixed | 4.14.12-1 |
| debian | trixie | fixed | 4.14.12-1 |
References
Verify integrity in audit chain (admin only). AS-IS.