CVE-2026-23324
Use-After-Free Vulnerability in Linux can: usb etas_es58x Driver
Publication date: 2026-03-25
Last updated on: 2026-04-23
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 5.13 |
| linux | linux_kernel | From 6.19 (inc) to 6.19.7 (exc) |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | From 6.13 (inc) to 6.18.17 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.130 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.77 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.167 (exc) |
| linux | linux_kernel | From 5.13.1 (inc) to 5.15.203 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Linux kernel's USB driver for the etas_es58x device. Specifically, when submitting a USB Request Block (urb) using the anchor pattern, the urb must be anchored before submission to prevent it from being leaked if usb_kill_anchored_urbs() is called. The driver correctly implements this anchoring in most places, but it was missing in the read bulk callback, which could lead to a resource leak.
How can this vulnerability impact me? :
The impact of this vulnerability is primarily a resource leak in the USB driver for the etas_es58x device. If the urb is not properly anchored before submission in the read bulk callback, it could be leaked when usb_kill_anchored_urbs() is called. This could potentially lead to increased memory usage or instability in the system handling USB communications for this device.