CVE-2017-14106
Description
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
CVE-2017-14106 NameCVE-2017-14106 DescriptionThe tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path. SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE…
CVE-2017-14106
| Name | CVE-2017-14106 |
| Description | The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1099-1, DSA-3981-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.257-1 | fixed | |
| bookworm | 6.1.170-3 | fixed | |
| bookworm (security) | 6.1.172-1 | fixed | |
| trixie | 6.12.86-1 | fixed | |
| trixie (security) | 6.12.90-1 | fixed | |
| forky | 7.0.9-1 | fixed | |
| sid | 7.0.10-1 | 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 | 3.2.93-1 | DLA-1099-1 | ||
| linux | source | jessie | 3.16.43-2+deb8u5 | DSA-3981-1 | ||
| linux | source | stretch | 4.9.30-2+deb9u5 | DSA-3981-1 | ||
| linux | source | (unstable) | 4.12.6-1 |
Notes
Fixed by: https://git.kernel.org/linus/499350a5a6e7512d9ed369ed63a4244b6536f4f8 (v4.12-rc3)
Apply commands
Fixed by: https://git.kernel.org/linus/499350a5a6e7512d9ed369ed63a4244b6536f4f8 (v4.12-rc3)OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.12.6-1 |
| debian | bullseye | fixed | 4.12.6-1 |
| debian | forky | fixed | 4.12.6-1 |
| debian | sid | fixed | 4.12.6-1 |
| debian | trixie | fixed | 4.12.6-1 |
| linux-kernel | affected | |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- http://www.debian.org/security/2017/dsa-3981
- http://www.securityfocus.com/bid/100878
- http://www.securitytracker.com/id/1039549
- https://access.redhat.com/errata/RHSA-2017:2918
- https://access.redhat.com/errata/RHSA-2017:2930
- https://access.redhat.com/errata/RHSA-2017:2931
- https://access.redhat.com/errata/RHSA-2017:3200
- https://access.redhat.com/errata/RHSA-2018:2172
- https://github.com/torvalds/linux/commit/499350a5a6e7512d9ed369ed63a4244b6536f4f8
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg186255.html
- https://www.suse.com/security/cve/CVE-2017-14106.html
- https://security-tracker.debian.org/tracker/CVE-2017-14106
CWEs
CWE-369
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.