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CVE-2026-23061

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CVE-2026-23061

Published: Feb 4, 2026

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: can: kvaser_usb: kvaser_usb_read_bulk_callback(): fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak"). In kvaser_usb_set_{,data_}bittiming() -> kvaser_usb_setup_rx_urbs(), the URBs for USB-in transfers are allocated, added to the dev->rx_submitted anchor and submitted. In the complete callback kvaser_usb_read_bulk_callback(), the URBs are processed and resubmitted. In kvaser_usb_remove_interfaces() the URBs are freed by calling usb_kill_anchored_urbs(&dev->rx_submitted). However, this does not take into account that the USB framework unanchors the URB before the complete function is called. This means that once an in-URB has been completed, it is no longer anchored and is ultimately not released in usb_kill_anchored_urbs(). Fix the memory leak by anchoring the URB in the kvaser_usb_read_bulk_callback() to the dev->rx_submitted anchor.

VendorProductVersions

Linux

Linux

affected
080f40a6fa28dab299da7a652e444b1e2d9231e7 - < d9d824582f2ec76459ffab449e9b05c7bc49645c
affected
080f40a6fa28dab299da7a652e444b1e2d9231e7 - < 40a3334ffda479c63e416e61ff086485e24401f7
affected
080f40a6fa28dab299da7a652e444b1e2d9231e7 - < c1b39fa24c140bc616f51fef4175c1743e2bb132
affected
080f40a6fa28dab299da7a652e444b1e2d9231e7 - < 7c308f7530bffafa994e0aa8dc651a312f4b9ff4
affected
080f40a6fa28dab299da7a652e444b1e2d9231e7 - < 94a7fc42e21c7d9d1c49778cd1db52de5df52a01

+2 more versions

Linux

Linux

affected
3.8
unaffected
0 - < 3.8
unaffected
5.10.249 - <= 5.10.*
unaffected
5.15.199 - <= 5.15.*
unaffected
6.1.162 - <= 6.1.*

+4 more versions

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