CVE-2025-40107can: hi311x: fix null pointer dereference when resuming from sleep before interface was enabled
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Deferred
- Record last updated
- May 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 57e83fb9b7468c75cb65cde1d23043553c346c6d before d1fc4c041459e2d4856c1b2501486ba4f0cbf96b; from 57e83fb9b7468c75cb65cde1d23043553c346c6d before e93af787187e585933570563c643337fa731584a; 57e83fb9b7468c75cb65cde1d23043553c346c6d builds before 1d2ef21f02baff0c109ad78b9e835fb4acb14533; from 57e83fb9b7468c75cb65cde1d23043553c346c6d before fd00cf38fd437c979f0e5905e3ebdfc3f55a4b96; 57e83fb9b7468c75cb65cde1d23043553c346c6d builds before 6b696808472197b77b888f50bc789a3bae077743 | CNA record |
References
- https://git.kernel.org/stable/c/d1fc4c041459e2d4856c1b2501486ba4f0cbf96b
- https://git.kernel.org/stable/c/e93af787187e585933570563c643337fa731584a
- https://git.kernel.org/stable/c/1d2ef21f02baff0c109ad78b9e835fb4acb14533
- https://git.kernel.org/stable/c/fd00cf38fd437c979f0e5905e3ebdfc3f55a4b96
- https://git.kernel.org/stable/c/6b696808472197b77b888f50bc789a3bae077743
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.