CVE-2026-80556 evidence review
Linux
In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmci_remove due to race condition In atmci_probe, &host->bh_work is bound with atmci_work_func, and atmci_interrupt, atmci_timeout_timer and atmci_dma_complete can all queue this work on system_bh_wq. If we remove the module, atmci_remove makes cleanup and the memory allocated for host with devm_kzalloc() is released after the remove callback returns, while the work mentioned above may still be pending or running. The sequence of operations that may lead to a UAF bug is as follows: CPU...
This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.
Identify the product and installed version
Record whether Linux is present, where it is installed, and which interfaces are exposed.
- Record the product name, package or appliance identifier, and installed version.
- Identify internet-facing, administrative, API, and internal access paths.
- Preserve the pre-change configuration and relevant service logs.
Compare the affected range
Use the current record as an identification aid: >= 7d2be0749a59096a334c94dc48f43294193cb8ed < 22aecf6c4721727a2f724ca0438bc7d4b609bf3f, >= 7d2be0749a59096a334c94dc48f43294193cb8ed < b5060ff2f5460795a3e9f7cdf5052aa42f96ff81, >= 7d2be0749a59096a334c94dc48f43294193cb8ed < 7599a73ff66d195a908f5d88b427933a9fb1c02a, >= 7d2be0749a59096a334c94dc48f43294193cb8ed < c125ee35a49a0518521b52b27631eef061b8719a, >= 2.6.27. Resolve incomplete inventory results before deciding that an asset is unaffected.
Verify the authoritative remediation source
Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.
Operational boundary
This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.