Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before…
Priority LOW 35CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.005 43rd percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:-:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
| cpe:2.3:a:novell:suse_linux_enterprise_workstation_extension:12.0:-:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
| cpe:2.3:a:novell:suse_linux_enterprise_module_for_public_cloud:12.0:-:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp4:*:*:*:*:*:* | 11.0 sp4 | Vulnerable | Novell |
| cpe:2.3:o:novell:opensuse_leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | Novell |
| cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:* | 11.0 sp4 | Vulnerable | Novell |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 2.6.30 to before 3.2.80; 3.3 to before 3.10.102; 3.11 to before 3.12.59; 3.13 to before 3.14.67; 3.15 to before 3.16.35; 3.17 to before 3.18.37; 3.19 to before 4.1.28; 4.2 to before 4.4.8; 4.5 to before 4.5.2 | Vulnerable | Linux |
| cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:-:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
- cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:-:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
- cpe:2.3:a:novell:suse_linux_enterprise_workstation_extension:12.0:-:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
- cpe:2.3:a:novell:suse_linux_enterprise_module_for_public_cloud:12.0:-:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp4:*:*:*:*:*:* Versions 11.0 sp4 Vulnerable ·Novell
- cpe:2.3:o:novell:opensuse_leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·Novell
- cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:* Versions 11.0 sp4 Vulnerable ·Novell
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.30 to before 3.2.80; 3.3 to before 3.10.102; 3.11 to before 3.12.59; 3.13 to before 3.14.67; 3.15 to before 3.16.35; 3.17 to before 3.18.37; 3.19 to before 4.1.28; 4.2 to before 4.4.8; 4.5 to before 4.5.2 Vulnerable ·Linux
- cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:-:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:novell:suse_linux_enterprise_workstation_extension:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:-:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* | 6 | Vulnerable | Oracle |
| cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:11.0:sp4:*:*:*:*:*:* | 11.0 sp4 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
| cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
| cpe:2.3:a:novell:suse_linux_enterprise_live_patching:12.0:-:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
- cpe:2.3:a:novell:suse_linux_enterprise_workstation_extension:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:-:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
- cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:11.0:sp4:*:*:*:*:*:* Versions 11.0 sp4 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_real_time_extension:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
- cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
- cpe:2.3:a:novell:suse_linux_enterprise_live_patching:12.0:-:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise MRG 2 | Affected | No fix planned: Will not fix |
Not affected: 2 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4805
- 2026-10-03 Alias added: GHSA-jwg9-q35h-9vwx
References
Patch 3
Advisory 14
- SUSE-SU-2016:1690
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- SUSE-SU-2016:1985
- openSUSE-SU-2016:2184
- USN-3021-2
- openSUSE-SU-2016:1641
- DSA-3607
- SUSE-SU-2016:1672
- USN-3021-1
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2
- https://bugzilla.redhat.com/show_bug.cgi?id=1335803
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- SUSE-SU-2016:2105
- SUSE-SU-2016:1937
Sources
- CVE-2016-4805 · CVE Program
- CVE-2016-4805 · NVD
- FIRST EPSS
- GHSA-jwg9-q35h-9vwx · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4805 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences