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CVE-2026-31758

usb: usbtmc: Flush anchored URBs in usbtmc_release

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.253, 5.15.203, 6.1.168, 6.6.134, 6.12.81, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in 959ef329071136e4335b54822fe2f607659b4569; From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in e189d443767f7cd390c52f2e122e1fc41c7562d6; From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in 7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9f; From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in 95e09b07e50290254b28b8395509473104518f8c; From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1; From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in 977b632db51d231dec0bc571089a5c2402674139; From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in d40198de50232e04c14c6e2092e896766c95ea48; From 4f3c8d6eddc272b386464524235440a418ed2029 · fixed in 8a768552f7a8276fb9e01d49773d2094ace7c8f1

  • Linux Linux

    4.19

  • KernelLinux

    From 4.19.0 · fixed in 5.10.253; From 5.11.0 · fixed in 5.15.203; From 5.16.0 · fixed in 6.1.168; From 6.2.0 · fixed in 6.6.134; From 6.7.0 · fixed in 6.12.81; From 6.13.0 · fixed in 6.18.22; From 6.19.0 · fixed in 6.19.12

References 8

git.kernel.org