0.0
NA
CVE-2026-31758
usb: usbtmc: Flush anchored URBs in usbtmc_release
Description

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Flush anchored URBs in usbtmc_release When calling usbtmc_release, pending anchored URBs must be flushed or killed to prevent use-after-free errors (e.g. in the HCD giveback path). Call usbtmc_draw_down() to allow anchored URBs to be completed.

INFO

Published Date :

May 1, 2026, 3:16 p.m.

Last Modified :

May 1, 2026, 3:24 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2026-31758 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Flush pending URBs in usbtmc_release to prevent use-after-free errors.
  • Call usbtmc_draw_down() to complete anchored URBs.
  • Flush or kill pending anchored URBs in usbtmc_release.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-31758 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-31758 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-31758 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-31758 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 01, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Flush anchored URBs in usbtmc_release When calling usbtmc_release, pending anchored URBs must be flushed or killed to prevent use-after-free errors (e.g. in the HCD giveback path). Call usbtmc_draw_down() to allow anchored URBs to be completed.
    Added Reference https://git.kernel.org/stable/c/7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f
    Added Reference https://git.kernel.org/stable/c/8a768552f7a8276fb9e01d49773d2094ace7c8f1
    Added Reference https://git.kernel.org/stable/c/959ef329071136e4335b54822fe2f607659b4569
    Added Reference https://git.kernel.org/stable/c/95e09b07e50290254b28b8395509473104518f8c
    Added Reference https://git.kernel.org/stable/c/977b632db51d231dec0bc571089a5c2402674139
    Added Reference https://git.kernel.org/stable/c/d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1
    Added Reference https://git.kernel.org/stable/c/d40198de50232e04c14c6e2092e896766c95ea48
    Added Reference https://git.kernel.org/stable/c/e189d443767f7cd390c52f2e122e1fc41c7562d6
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.