Linux Kernel BPF tools/lib/bpf/libbpf.c find_prog_by_sec_insn null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. Performing a manipulation results in null pointer dereference.
This vulnerability is cataloged as CVE-2022-3606. There is no exploit available.
Applying a patch is the recommended action to fix this issue.
Details
A vulnerability was found in Linux Kernel (Operating System) (version now known). It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.
The weakness was shared 10/19/2022. The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2022-3606. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 234828 (Debian dla-4137 : libbpf-dev - security update), which helps to determine the existence of the flaw in a target environment.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
The vulnerability is also documented in the databases at Tenable (234828) and CERT Bund (WID-SEC-2022-1823). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Affected
- Debian Linux
- Amazon Linux 2
- Open Source Linux Kernel
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- IBM Spectrum Protect
- NetApp ActiveIQ Unified Manager
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.2VulDB Meta Temp Score: 4.1
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CNA Base Score: 3.5
CNA Vector (VulDB): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 234828
Nessus Name: Debian dla-4137 : libbpf-dev - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
10/19/2022 🔍10/19/2022 🔍
10/19/2022 🔍
12/10/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-3606 (🔍)
GCVE (CVE): GCVE-0-2022-3606
GCVE (VulDB): GCVE-100-211749
CERT Bund: WID-SEC-2022-1823 - Linux Kernel: Mehrere Schwachstellen
Entry
Created: 10/19/2022 11:02Updated: 12/10/2025 03:43
Changes: 10/19/2022 11:02 (41), 11/18/2022 07:42 (2), 11/18/2022 07:47 (21), 04/25/2025 19:38 (16), 11/05/2025 12:43 (1), 12/10/2025 03:43 (7)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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