Linux Kernel up to 6.1.6 ice kzalloc null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel up to 6.1.6. It has been classified as critical. This vulnerability affects the function kzalloc of the component ice. The manipulation leads to null pointer dereference.
This vulnerability is traded as CVE-2022-48886. There is no exploit available.
Upgrading the affected component is recommended.
Details
A vulnerability was found in Linux Kernel up to 6.1.6. It has been rated as critical. This issue affects the function kzalloc of the component ice. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:
In the Linux kernel, the following vulnerability has been resolved: ice: Add check for kzalloc Add the check for the return value of kzalloc in order to avoid NULL pointer dereference. Moreover, use the goto-label to share the clean code.
It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-48886 since 08/21/2024. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 6.1.7 eliminates this vulnerability. Applying the patch 96a987318855/40543b3d9d2c is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2024-1888). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- IBM InfoSphere Guardium
- Oracle Linux
- Kyocera Printer
- IBM Security Guardium
- RESF Rocky Linux
- Broadcom Brocade SANnav
- Open Source Linux Kernel
- IBM QRadar SIEM
- IBM DB2
- Dell PowerProtect Data Domain
- Dell PowerProtect Data Domain Management Center
- Dell PowerProtect Data Domain OS
- Dell Secure Connect Gateway
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.1.7
Patch: 96a987318855/40543b3d9d2c
Timeline
08/21/2024 🔍08/21/2024 🔍
08/21/2024 🔍
02/17/2026 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-48886 (🔍)
GCVE (CVE): GCVE-0-2022-48886
GCVE (VulDB): GCVE-100-275399
CERT Bund: WID-SEC-2024-1888 - Linux Kernel: Mehrere Schwachstellen
Entry
Created: 08/21/2024 08:51Updated: 02/17/2026 16:31
Changes: 08/21/2024 08:51 (59), 08/22/2024 11:51 (1), 09/07/2024 04:50 (10), 02/17/2026 16:31 (7)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.