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CVE-2026-23075
published 2026-02-04

CVE-2026-23075: In the Linux kernel, the following vulnerability has been resolved: can: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak Fix similar memory leak as…

PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.12%
2.5th percentile
In the Linux kernel, the following vulnerability has been resolved: can: esd_usb: esd_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 esd_usb_open(), the URBs for USB-in transfers are allocated, added to the dev->rx_submitted anchor and submitted. In the complete callback esd_usb_read_bulk_callback(), the URBs are processed and resubmitted. In esd_usb_close() 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 esd_usb_close(). Fix the memory leak by anchoring the URB in the esd_usb_read_bulk_callback() to the dev->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>= 96d8e90382dc336b5de401164597edfdc2e8d9f1 < 93b34d4ba7266030801a509c088ac77c0d7a12e993b34d4ba7266030801a509c088ac77c0d7a12e9
linuxlinux>= 96d8e90382dc336b5de401164597edfdc2e8d9f1 < dc934d96673992af8568664c1b58e13eb164010ddc934d96673992af8568664c1b58e13eb164010d
linuxlinux>= 96d8e90382dc336b5de401164597edfdc2e8d9f1 < 92d26ce07ac3b7a850dc68c8d73d487b39c39b3392d26ce07ac3b7a850dc68c8d73d487b39c39b33
linuxlinux>= 96d8e90382dc336b5de401164597edfdc2e8d9f1 < adec5e1f9c99fe079ec4c92cca3f1109a3e257c3adec5e1f9c99fe079ec4c92cca3f1109a3e257c3
linuxlinux>= 96d8e90382dc336b5de401164597edfdc2e8d9f1 < 9d1807b442fc3286b204f8e59981b10e743533ce9d1807b442fc3286b204f8e59981b10e743533ce
linuxlinux>= 96d8e90382dc336b5de401164597edfdc2e8d9f1 < a9503ae43256e80db5cba9d449b238607164c51da9503ae43256e80db5cba9d449b238607164c51d
linuxlinux>= 96d8e90382dc336b5de401164597edfdc2e8d9f1 < 5a4391bdc6c8357242f62f22069c865b792406b35a4391bdc6c8357242f62f22069c865b792406b3
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>= 2.6.36 < 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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