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CVE Vulnerability Details :
CVE-2026-31757
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-01 May, 2026 | 14:14
Updated At-01 May, 2026 | 14:14
Rejected At-
▼CVE Numbering Authority (CNA)
usb: misc: usbio: Fix URB memory leak on submit failure

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: Fix URB memory leak on submit failure When usb_submit_urb() fails in usbio_probe(), the previously allocated URB is never freed, causing a memory leak. Fix this by jumping to err_free_urb label to properly release the URB on the error path.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/usb/misc/usbio.c
Default Status
unaffected
Versions
Affected
  • From 121a0f839dbb397af5fabb701cea3e9983223e50 before 65ff09f48b0e72e4049096a989723406aabcf091 (git)
  • From 121a0f839dbb397af5fabb701cea3e9983223e50 before 1762dc43b983d321180582afba4a0c5185fae04c (git)
  • From 121a0f839dbb397af5fabb701cea3e9983223e50 before 33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/usb/misc/usbio.c
Default Status
affected
Versions
Affected
  • 6.18
Unaffected
  • From 0 before 6.18 (semver)
  • From 6.18.22 through 6.18.* (semver)
  • From 6.19.12 through 6.19.* (semver)
  • From 7.0 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/65ff09f48b0e72e4049096a989723406aabcf091
N/A
https://git.kernel.org/stable/c/1762dc43b983d321180582afba4a0c5185fae04c
N/A
https://git.kernel.org/stable/c/33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21
N/A
Hyperlink: https://git.kernel.org/stable/c/65ff09f48b0e72e4049096a989723406aabcf091
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/1762dc43b983d321180582afba4a0c5185fae04c
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21
Resource: N/A
Details not found