CVE-2026-31489 Details
Description
In the Linux kernel, the following vulnerability has been resolved: spi: meson-spicc: Fix double-put in remove path meson_spicc_probe() registers the controller with devm_spi_register_controller(), so teardown already drops the controller reference via devm cleanup. Calling spi_controller_put() again in meson_spicc_remove() causes a double-put.
A vulnerability in the Linux kernel's SPI controller management for the Meson SPICC driver has been addressed. The issue arose because the 'meson_spicc_probe()' function registered the SPI controller with 'devm_spi_register_controller()', which automatically manages the controller's lifecycle. However, the corresponding removal function, 'meson_spicc_remove()', incorrectly called 'spi_controller_put()' again, leading to a double reference drop. This flaw could potentially cause memory management issues.
The vulnerability has been fixed in the Linux kernel. Users can upgrade to the latest version to address this issue.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-415 | Double Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 4.14.244, < 4.15 >= 4.19.203, < 4.20 >= 5.4.140, < 5.5 >= 5.10.58, < 5.11 >= 5.13.10, < 5.14 >= 5.14.1, < 6.12.80 >= 6.13, < 6.18.21 >= 6.19, < 6.19.11 5.14 - 7.0 rc1 7.0 rc2 7.0 rc3 7.0 rc4 7.0 rc5 7.0 rc6 7.0 rc7 |
CPE
Remediation
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Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 19, 2026 | CVE Modified | kernel.org |
| Jun 17, 2026 | CVE Modified | kernel.org |
| Jun 1, 2026 | CVE Modified | kernel.org |
| May 17, 2026 | CVE Modified | kernel.org |
| Apr 28, 2026 | Initial Analysis | [email protected] |
| Apr 22, 2026 | New CVE Received | kernel.org |