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CVE-2023-52863
hwmon: (axi-fan-control) Fix possible NULL pointer dereference
Medium5.5EPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (axi-fan-control) Fix possible NULL pointer dereference axi_fan_control_irq_handler(), dependent on the private axi_fan_control_data structure, might be called before the hwmon device is registered. That will cause an "Unable to handle kernel NULL pointer dereference" error.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 8412b410fa5e1e494a0fec84c3c462d49870d3f5 – < 7d870088db4863c514a7f8751cd593751983029a
- affected 8412b410fa5e1e494a0fec84c3c462d49870d3f5 – < b3e7eb23a6e97642ff3190431c06475d9ca1e062
- affected 8412b410fa5e1e494a0fec84c3c462d49870d3f5 – < 33de53a2706066d526173dc743faf43d92c62105
- affected 8412b410fa5e1e494a0fec84c3c462d49870d3f5 – < f62b8969847850ba7596cb145cc47c65ea57dae0
- affected 8412b410fa5e1e494a0fec84c3c462d49870d3f5 – < c49f14cc1bb12c625a1c572e8a95b6adefd4d8eb
- affected 8412b410fa5e1e494a0fec84c3c462d49870d3f5 – < 2a5b3370a1d9750eca325292e291c8c7cb8cf2e0
- affected 5.7
- unaffected < 5.7
- unaffected 5.10.201 – ≤ 5.10.*
- unaffected 5.15.139 – ≤ 5.15.*
- unaffected 6.1.63 – ≤ 6.1.*
- unaffected 6.5.12 – ≤ 6.5.*
- unaffected 6.6.2 – ≤ 6.6.*
- unaffected 6.7 – ≤ *
References (6)
- https://git.kernel.org/stable/c/7d870088db4863c514a7f8751cd593751983029a (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/b3e7eb23a6e97642ff3190431c06475d9ca1e062 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/33de53a2706066d526173dc743faf43d92c62105 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f62b8969847850ba7596cb145cc47c65ea57dae0 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c49f14cc1bb12c625a1c572e8a95b6adefd4d8eb (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2a5b3370a1d9750eca325292e291c8c7cb8cf2e0 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2023-52863)Record last updated .