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Home / CVE DB / CVE-2016-4805
Standard
Vulnerability Identifier

CVE-2016-4805

2016-05-23
Severity Assessment
7.8
HIGH
CVSS v3.x Score
Clinical Analysis (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.

Vector Sequencing

Attack Parameters

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Impact Consequences

Technical Impact

Unchanged
Scope
High
Confidentiality
High
Integrity
High
Availability
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2 Score (Legacy)
7.2

For backward compatibility

EPSS Probability
0.15%

Percentile: 35.0%

Weakness Classification

CWE-CWE-416

View CWE Details ↗
Affected Population

Affected Configurations

Total: 15 detected entries

Software List Scrollable
re
enterprise_linux
Vendor: redhat • v7.0
no
suse_linux_enterprise_real_time_extension
Vendor: novell • v11.0
no
suse_linux_enterprise_real_time_extension
Vendor: novell • v12.0
no
suse_linux_enterprise_live_patching
Vendor: novell • v12.0
no
suse_linux_enterprise_server
Vendor: novell • v11.0
no
suse_linux_enterprise_module_for_public_cloud
Vendor: novell • v12.0
no
opensuse_leap
Vendor: novell • v42.1
no
suse_linux_enterprise_software_development_kit
Vendor: novell • v11.0
no
suse_linux_enterprise_server
Vendor: novell • v12.0
no
suse_linux_enterprise_workstation_extension
Vendor: novell • v12.0
no
suse_linux_enterprise_desktop
Vendor: novell • v12.0
ca
ubuntu_linux
Vendor: canonical • v12.04
re
enterprise_linux
Vendor: redhat • v6.0
or
linux
Vendor: oracle • v6
no
suse_linux_enterprise_software_development_kit
Vendor: novell • v12.0
Timeline

Time Line

PUBLICATION
23 May 2016
MODIFICATION
12 Apr 2025
Impact Statistics

Key Metrics

CVSS Score
7.8
HIGH
Products
15
Affected
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Patch Library
No direct patch listed in database.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.

Sources & Bibliography
NIST NVD MITRE CVE External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗