CVE-2016-4805
Description
Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service (memory corruption and system crash, or spinlock) or possibly have unspecified other impact by removing a network namespace, related to the ppp_register_net_channel and ppp_unregister_channel functions.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.5.2-1 |
| debian | bullseye | fixed | 4.5.2-1 |
| debian | forky | fixed | 4.5.2-1 |
| debian | sid | fixed | 4.5.2-1 |
| debian | trixie | fixed | 4.5.2-1 |
| rhel | 6.0 | affected | |
| rhel | 7.0 | affected | |
| ubuntu | 12.04 | affected | |
| suse | 11.0 | affected | |
| suse | 12.0 | affected | |
| linux-kernel | affected | 3.2.80 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| novell | suse_linux_enterprise_workstation_extension | 12.0 | |
| novell | suse_linux_enterprise_module_for_public_cloud | 12.0 | |
| novell | suse_linux_enterprise_software_development_kit | 11.0 | |
| novell | suse_linux_enterprise_software_development_kit | 12.0 | |
| novell | suse_linux_enterprise_live_patching | 12.0 | |
References
- https://www.suse.com/security/cve/CVE-2016-4805.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1f461dcdd296eecedaffffc6bae2bfa90bd7eb89
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://www.debian.org/security/2016/dsa-3607
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2
- http://www.openwall.com/lists/oss-security/2016/05/15/2
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://www.securityfocus.com/bid/90605
- http://www.securitytracker.com/id/1036763
- http://www.ubuntu.com/usn/USN-3021-1
- http://www.ubuntu.com/usn/USN-3021-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1335803
- https://github.com/torvalds/linux/commit/1f461dcdd296eecedaffffc6bae2bfa90bd7eb89
- https://security-tracker.debian.org/tracker/CVE-2016-4805
CWEs
CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.