cbcvebase.
CVE-2026-23108
published 2026-02-04

CVE-2026-23108: In the Linux kernel, the following vulnerability has been resolved: can: usb_8dev: usb_8dev_read_bulk_callback(): fix URB memory leak Fix similar memory leak…

PriorityP416medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.13%
2.8th percentile
In the Linux kernel, the following vulnerability has been resolved: can: usb_8dev: usb_8dev_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 usb_8dev_open() -> usb_8dev_start(), the URBs for USB-in transfers are allocated, added to the priv->rx_submitted anchor and submitted. In the complete callback usb_8dev_read_bulk_callback(), the URBs are processed and resubmitted. In usb_8dev_close() -> unlink_all_urbs() the URBs are freed by calling usb_kill_anchored_urbs(&priv->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 usb_8dev_read_bulk_callback() to the priv->rx_submitted anchor.

Affected

62 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.162-1 (bookworm)linux 6.1.162-1 (bookworm)
debianlinux-6.1< linux 6.1.162-1 (bookworm)linux 6.1.162-1 (bookworm)
linuxlinux
linuxlinux>= 0024d8ad1639e32d717445c69ca813fd19c2a91c < feb8243eaea7efd5279b19667d7189fd8654c87afeb8243eaea7efd5279b19667d7189fd8654c87a
linuxlinux>= 0024d8ad1639e32d717445c69ca813fd19c2a91c < ef6e608e5ee71eca0cd3475c737e684cef24f240ef6e608e5ee71eca0cd3475c737e684cef24f240
linuxlinux>= 0024d8ad1639e32d717445c69ca813fd19c2a91c < 60719661b4cbd7ffbed1a0e0fa3bbc82d8bd2be960719661b4cbd7ffbed1a0e0fa3bbc82d8bd2be9
linuxlinux>= 0024d8ad1639e32d717445c69ca813fd19c2a91c < 59ff56992bba28051ad67cd8cc7b0edfe728079659ff56992bba28051ad67cd8cc7b0edfe7280796
linuxlinux>= 0024d8ad1639e32d717445c69ca813fd19c2a91c < ea4a98e924164586066b39f29bfcc7cc9da108cdea4a98e924164586066b39f29bfcc7cc9da108cd
linuxlinux>= 0024d8ad1639e32d717445c69ca813fd19c2a91c < 07e9373739c6388af9d99797cdb2e79dbbcbe92b07e9373739c6388af9d99797cdb2e79dbbcbe92b
linuxlinux>= 0024d8ad1639e32d717445c69ca813fd19c2a91c < f7a980b3b8f80fe367f679da376cf76e800f9480f7a980b3b8f80fe367f679da376cf76e800f9480
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.249-15.10.249-1
linuxlinux_kernel>= 0 < 6.1.162-16.1.162-1
linuxlinux_kernel>= 0 < 6.12.69-16.12.69-1
linuxlinux_kernel>= 0 < 6.18.8-16.18.8-1
linuxlinux_kernel>= 3.9 < 5.10.2495.10.249
linuxlinux_kernel>= 5.11 < 5.15.1995.15.199
linuxlinux_kernel>= 5.16 < 6.1.1626.1.162
linuxlinux_kernel>= 6.13 < 6.18.86.18.8
linuxlinux_kernel>= 6.2 < 6.6.1226.6.122
linuxlinux_kernel>= 6.7 < 6.12.686.12.68
ubuntulinux
ubuntulinux-aws
ubuntulinux-aws-fips
ubuntulinux-azure

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_ubuntu7.8HIGH
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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