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CVE-2026-97600

Unknown

Last modified

CVE-2026-97600 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: ieee802154: cc2520: fix FIFOP work use-after-free The FIFOP interrupt handler queues cc2520_fifop_irqwork. On removal, cc2520_remove() only flushes the work.

Description

In the Linux kernel, the following vulnerability has been resolved: ieee802154: cc2520: fix FIFOP work use-after-free The FIFOP interrupt handler queues cc2520_fifop_irqwork. On removal, cc2520_remove() only flushes the work. The devm-managed FIFOP IRQ remains active until after ->remove() returns and can queue the work again after that flush, allowing it to run after the private data is released. Disable the work with disable_work_sync() instead of flushing it, so the handler can no longer queue it once removal begins. Destroy the buffer mutex last, since the worker and the stop callback invoked through ieee802154_unregister_hw() both take it. Found by an in-house static analysis tool.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < 56a9919d8494fb118eebf167bef0622528fbf2e7; >= 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < c68fd52c73b676aee67020011e98fea125a978f4; >= 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < 890a80d516a1447db5c21bf92841a82914ea897d; >= 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < ff5891b266a7fc6a062710836be84f1cc19338b5
LinuxLinux3.17

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-97600?
In the Linux kernel, the following vulnerability has been resolved: ieee802154: cc2520: fix FIFOP work use-after-free The FIFOP interrupt handler queues cc2520_fifop_irqwork. On removal, cc2520_remove() only flushes the work. The devm-managed FIFOP IRQ remains active until after ->remove() returns and can queue the work again after that flush, allowing it to run after the private data is released. Disable the work with disable_work_sync() instead of flushing it, so the handler can no longer queue it once removal begins. Destroy the buffer mutex last, since the worker and the stop callback invoked through ieee802154_unregister_hw() both take it. Found by an in-house static analysis tool.
How severe is CVE-2026-97600?
Severity scoring for CVE-2026-97600 is pending analysis.
How do I fix CVE-2026-97600?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST