HarborGuard / CVE
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HIGHCVE-2026-31758Published Modified CNA Linux

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

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.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
0
Affected Products
2

Fix available

05.10.2535.15.2036.1.1686.6.1346.12.816.18.226.19.127.07fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f8a768552f7a8276fb9e01d49773d2094ace7c8f1959ef329071136e4335b54822fe2f607659b456995e09b07e50290254b28b8395509473104518f8c977b632db51d231dec0bc571089a5c2402674139d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1d40198de50232e04c14c6e2092e896766c95ea48e189d443767f7cd390c52f2e122e1fc41c7562d6
Affected packages
  • Linux / Linux
    < 959ef329071136e4335b54822fe2f607659b4569 (from 4f3c8d6eddc272b386464524235440a418ed2029) · < e189d443767f7cd390c52f2e122e1fc41c7562d6 (from 4f3c8d6eddc272b386464524235440a418ed2029) · < 7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f (from 4f3c8d6eddc272b386464524235440a418ed2029) · < 95e09b07e50290254b28b8395509473104518f8c (from 4f3c8d6eddc272b386464524235440a418ed2029) · < d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1 (from 4f3c8d6eddc272b386464524235440a418ed2029) · < 977b632db51d231dec0bc571089a5c2402674139 (from 4f3c8d6eddc272b386464524235440a418ed2029)
  • Linux / Linux
    4.19
    Fixed in 0, 5.10.253, 5.15.203, 6.1.168, 6.6.134, 6.12.81, 6.18.22, 6.19.12, 7.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References