Linux Kernel up to 6.11.7 USB sunxi_musb_probe use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.11.7. This vulnerability affects the function sunxi_musb_probe of the component USB. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2024-50269. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.11.7. Affected by this issue is the function sunxi_musb_probe of the component USB. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: usb: musb: sunxi: Fix accessing an released usb phy Commit 6ed05c68cbca ("usb: musb: sunxi: Explicitly release USB PHY on exit") will cause that usb phy @glue->xceiv is accessed after released. 1) register platform driver @sunxi_musb_driver // get the usb phy @glue->xceiv sunxi_musb_probe() -> devm_usb_get_phy(). 2) register and unregister platform driver @musb_driver musb_probe() -> sunxi_musb_init() use the phy here //the phy is released here musb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy() 3) register @musb_driver again musb_probe() -> sunxi_musb_init() use the phy here but the phy has been released at 2). ... Fixed by reverting the commit, namely, removing devm_usb_put_phy() from sunxi_musb_exit().

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2024-50269 since 10/21/2024. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/22/2025).

The vulnerability scanner Nessus provides a plugin with the ID 211777 (Debian dsa-5818 : affs-modules-6.1.0-21-4kc-malta-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.19.324, 5.4.286, 5.10.230, 5.15.172, 6.1.117, 6.6.61 or 6.11.8 eliminates this vulnerability. Applying the patch 721ddad94559/4aa77d5ea994/6e2848d1c8c0/63559ba8077c/ccd811c304d2/8a30da5aa960/b08baa75b989/498dbd9aea20 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 databases at Tenable (211777) and CERT Bund (WID-SEC-2024-3497). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Google Cloud Platform
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Kyocera Printer
  • IGEL OS
  • Lenovo Computer
  • Dell PowerEdge
  • RESF Rocky Linux
  • Dell NetWorker
  • Dell Avamar
  • IBM QRadar SIEM
  • Red Hat OpenShift
  • Open Source Linux Kernel
  • IBM DataPower Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211777
Nessus Name: Debian dsa-5818 : affs-modules-6.1.0-21-4kc-malta-di - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.19.324/5.4.286/5.10.230/5.15.172/6.1.117/6.6.61/6.11.8
Patch: 721ddad94559/4aa77d5ea994/6e2848d1c8c0/63559ba8077c/ccd811c304d2/8a30da5aa960/b08baa75b989/498dbd9aea20

Timelineinfo

10/21/2024 🔍
11/19/2024 +29 days 🔍
11/19/2024 +0 days 🔍
10/22/2025 +337 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-50269 (🔍)
GCVE (CVE): GCVE-0-2024-50269
GCVE (VulDB): GCVE-100-285068
CERT Bund: WID-SEC-2024-3497 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 11/19/2024 06:10
Updated: 10/22/2025 08:59
Changes: 11/19/2024 06:10 (57), 11/25/2024 10:55 (2), 11/27/2024 08:14 (14), 07/16/2025 14:12 (7), 10/22/2025 08:59 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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