CVE-2026-31489
HIGH severity · CVSS 7.8 · Double free
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/40ad0334c17b23d8b66b1082ad1478a6202e90e2 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/40ad0334c17b23d8b66b1082ad1478a6202e90e2Patch
- https://git.kernel.org/stable/c/63542bb402b7013171c9f621c28b609eda4dbf1fPatch
- https://git.kernel.org/stable/c/9b812ceb75a6260c17c91db4b9e74ead8cfa06f5Patch
- https://git.kernel.org/stable/c/da06a104f0486355073ff0d1bcb1fcbebb7080d6Patch
- https://git.kernel.org/stable/c/01f5f7976c24d6e9beef6b5a410af3b9b1d4d476
- https://git.kernel.org/stable/c/0d645c6d13fa0597935d3d16b09a7ba5d24ed284
- https://git.kernel.org/stable/c/7434c64ddae88a02e7fb478bc256cc100d48d3e3
- https://git.kernel.org/stable/c/d61bcec3aec6f0244a9b963e0c76c00f771d49b6