Linux Kernel up to 6.11.10/6.12.1 realtek rtk_usb2phy_probe null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.11.10/6.12.1. This affects the function rtk_usb2phy_probe of the component realtek. The manipulation leads to null pointer dereference.
This vulnerability is documented as CVE-2024-53205. There is not any exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.11.10/6.12.1. This issue affects the function rtk_usb2phy_probe of the component realtek. 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: phy: realtek: usb: fix NULL deref in rtk_usb2phy_probe In rtk_usb2phy_probe() devm_kzalloc() may return NULL but this returned value is not checked.
It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2024-53205 since 11/19/2024. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 6.11.11 or 6.12.2 eliminates this vulnerability. Applying the patch 0b398b6b6c94315fd2ce3658e3cee96539dbd7b7/fb83c9a08324e37f321ffb400809aa4310387d65/04e3e9188291a183b27306ddb833722c0d083d6a 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-2024-3762). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- RESF Rocky Linux
- Dell NetWorker
- Dell Avamar
- Red Hat OpenShift
- IBM QRadar SIEM
- Dell PowerProtect Data Domain
- Open Source Linux Kernel
- IBM DataPower Gateway
- 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: 5.7VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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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: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.11.11/6.12.2
Patch: 0b398b6b6c94315fd2ce3658e3cee96539dbd7b7/fb83c9a08324e37f321ffb400809aa4310387d65/04e3e9188291a183b27306ddb833722c0d083d6a
Timeline
11/19/2024 🔍12/27/2024 🔍
12/27/2024 🔍
12/15/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-53205 (🔍)
GCVE (CVE): GCVE-0-2024-53205
GCVE (VulDB): GCVE-100-289451
CERT Bund: WID-SEC-2024-3762 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service
Entry
Created: 12/27/2024 15:25Updated: 12/15/2025 02:00
Changes: 12/27/2024 15:25 (59), 07/24/2025 01:33 (7), 10/14/2025 00:32 (1), 12/15/2025 02:00 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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