Description
In the Linux kernel, the following vulnerability has been resolved: USB: wdm: close race between wdm_open and wdm_wwan_port_stop Clearing WDM_WWAN_IN_USE must be the last action or we can open a chardev whose URBs are still poisoned
Affected products
linux: linux kernel; debian: debian linux
References7
- git.kernel.org/stable/c/217fe1fc7d112595a793e02b306710e702eac492 Patch
- git.kernel.org/stable/c/52ae15c665b5fe5876655aaccc3ef70560b0e314 Patch
- git.kernel.org/stable/c/54f7f8978af19f899dec80bcc71c8d4855dfbd72 Patch
- git.kernel.org/stable/c/b02a3fef3e8c8fe5a0a266f7a14f38cc608fb167 Patch
- git.kernel.org/stable/c/c1846ed4eb527bdfe6b3b7dd2c78e2af4bf98f4f Patch
- git.kernel.org/stable/c/e3c9adc69357fcbe6253a2bc2588ee4bbaaedbe9 Patch
- lists.debian.org/debian-lts-announce/2025/05/msg00045.html Third Party Advisory
Metrics
- CVSS 3.1
-
4.7
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 3 · as of 7 November 2026
- CWE
- CWE-362
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.