cbcvebase.
CVE-2025-40107
published 2025-11-03

CVE-2025-40107: In the Linux kernel, the following vulnerability has been resolved: can: hi311x: fix null pointer dereference when resuming from sleep before interface was…

PriorityP423high7.8
EPSS
0.19%
8.6th percentile
In the Linux kernel, the following vulnerability has been resolved: can: hi311x: fix null pointer dereference when resuming from sleep before interface was enabled This issue is similar to the vulnerability in the `mcp251x` driver, which was fixed in commit 03c427147b2d ("can: mcp251x: fix resume from sleep before interface was brought up"). In the `hi311x` driver, when the device resumes from sleep, the driver schedules `priv->restart_work`. However, if the network interface was not previously enabled, the `priv->wq` (workqueue) is not allocated and initialized, leading to a null pointer dereference. To fix this, we move the allocation and initialization of the workqueue from the `hi3110_open` function to the `hi3110_can_probe` function. This ensures that the workqueue is properly initialized before it is used during device resume. And added logic to destroy the workqueue in the error handling paths of `hi3110_can_probe` and in the `hi3110_can_remove` function to prevent resource leaks.

Affected

18 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.158-1 (bookworm)linux 6.1.158-1 (bookworm)
debianlinux-6.1< linux 6.1.158-1 (bookworm)linux 6.1.158-1 (bookworm)
linuxlinux
linuxlinux>= 57e83fb9b7468c75cb65cde1d23043553c346c6d < d1fc4c041459e2d4856c1b2501486ba4f0cbf96bd1fc4c041459e2d4856c1b2501486ba4f0cbf96b
linuxlinux>= 57e83fb9b7468c75cb65cde1d23043553c346c6d < e93af787187e585933570563c643337fa731584ae93af787187e585933570563c643337fa731584a
linuxlinux>= 57e83fb9b7468c75cb65cde1d23043553c346c6d < 1d2ef21f02baff0c109ad78b9e835fb4acb145331d2ef21f02baff0c109ad78b9e835fb4acb14533
linuxlinux>= 57e83fb9b7468c75cb65cde1d23043553c346c6d < fd00cf38fd437c979f0e5905e3ebdfc3f55a4b96fd00cf38fd437c979f0e5905e3ebdfc3f55a4b96
linuxlinux>= 57e83fb9b7468c75cb65cde1d23043553c346c6d < 6b696808472197b77b888f50bc789a3bae0777436b696808472197b77b888f50bc789a3bae077743
linuxlinux_kernel>= 0 < 6.1.158-16.1.158-1
linuxlinux_kernel>= 0 < 6.12.57-16.12.57-1
linuxlinux_kernel>= 0 < 6.16.12-16.16.12-1
linuxlinux_kernel>= 0 < 6.8.0-106.1066.8.0-106.106
linuxlinux_kernel>= 4.12.0 < 6.1.1566.1.156
linuxlinux_kernel>= 6.13.0 < 6.16.126.16.12
linuxlinux_kernel>= 6.2.0 < 6.6.1116.6.111
linuxlinux_kernel>= 6.7.0 < 6.12.526.12.52
msrcazl3_kernel_6.6.104.2-4_on_azure_linux_3.0
ubuntulinux-xilinx

CVSS provenance

vendor_ubuntu7.8HIGH
osv3.2LOW
vendor_msrc5.5MEDIUM
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