SB20260812305 - Improper resource shutdown or release in Linux kernel usb airspy driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper resource shutdown or release (CVE-ID: CVE-2026-68231)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper resource shutdown in airspy_start_streaming() in the airspy USB media driver when starting streaming after the USB device has been disconnected. A local user can trigger streaming with queued buffers present to cause a denial of service.

The issue occurs because buffers accepted before start_streaming() are not returned on the error path.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/04344d0b4929caa94c0df72f767752aa0935ef5d
• https://git.kernel.org/stable/c/170fcc945bc094b1c956bf555c070692826a3eff
• https://git.kernel.org/stable/c/73bd2779865372b1017d4f555b45270aa2d0d710
• https://git.kernel.org/stable/c/877686a74ecdc93dcaee09dbac566e819059c9e7
• https://git.kernel.org/stable/c/cd42623d698b59f1fe5768f78a4101c28d5feb2e