CVE-2026-31758
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.13% probability · 3th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/7fa8f61bab3fb75b5deba8a0f3abb74dc5068d9fPatch
- https://git.kernel.org/stable/c/8a768552f7a8276fb9e01d49773d2094ace7c8f1Patch
- https://git.kernel.org/stable/c/959ef329071136e4335b54822fe2f607659b4569Patch
- https://git.kernel.org/stable/c/95e09b07e50290254b28b8395509473104518f8cPatch
- https://git.kernel.org/stable/c/977b632db51d231dec0bc571089a5c2402674139Patch
- https://git.kernel.org/stable/c/d13318dec0c1e0e2ac16f8ecbd522db14cea4bb1Patch
- https://git.kernel.org/stable/c/d40198de50232e04c14c6e2092e896766c95ea48Patch
- https://git.kernel.org/stable/c/e189d443767f7cd390c52f2e122e1fc41c7562d6Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.