Kernel: RTC spear IRQ Race Uninitialized IRQ State in devm_request_irq()
CVE-2026-98847 Published on October 18, 2026
rtc: spear: initialize IRQ state before requesting alarm IRQ
In the Linux kernel, the following vulnerability has been resolved:
rtc: spear: initialize IRQ state before requesting alarm IRQ
devm_request_irq() enables the interrupt before it returns, so the handler
may run while probe is still initializing the device. Initialize the MMIO
address and spinlock before requesting the alarm IRQ.
Products Associated with CVE-2026-98847
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Affected Versions
Linux:- Version 0942a71e435f5198921e8f072540f208f0176542 and below c02aa67ea34a826c2cb1aa65d77cf32fafb7eec3 is affected.
- Version 0942a71e435f5198921e8f072540f208f0176542 and below e0cabda9b6f4dd276c55c40bdbb251e8507ae60e is affected.
- Version 0942a71e435f5198921e8f072540f208f0176542 and below cb6d6a7fbff0414b9eed505d17687b4b7e38fee8 is affected.
- Version 0942a71e435f5198921e8f072540f208f0176542 and below 055ef5ce9f67a6a3a1363fa663007f8196cc0fb8 is affected.
- Version 3.0 is affected.
- Before 3.0 is unaffected.
- Version 6.12.113, <= 6.12.* is unaffected.
- Version 6.18.56, <= 6.18.* is unaffected.
- Version 7.2.10, <= 7.2.* is unaffected.
- Version 7.3-rc6, <= * is unaffected.