Description
In the Linux kernel, the following vulnerability has been resolved: spi: uniphier: Fix completion initialization order before devm_request_irq() The driver calls devm_request_irq() before initializing the completion used by the interrupt handler. Because the interrupt may occur immediately after devm_request_irq(), the handler may execute before init_completion(). This may result in calling complete() on an uninitialized completion, causing undefined behavior. This has been observed with KASAN. Fix this by initializing the completion before registering the IRQ.
References8
- git.kernel.org/stable/c/077a7bc1c32d3da9670c5e282ea3e5ac8a94be59
- git.kernel.org/stable/c/49f6705d80b5e6175d8435d9c72b66bd516a8e89
- git.kernel.org/stable/c/82a5746c4c9e94f6f816ec7edea6ddc24417c6a5
- git.kernel.org/stable/c/8b5798ce0007874c14611b8ee4ce6c749855260e
- git.kernel.org/stable/c/b9fcf0db433d79648ace74bc2b8b88f91e306304
- git.kernel.org/stable/c/d44b828eb551bd59ba9f22457825cc3db3a39fc1
- git.kernel.org/stable/c/f3ad1c87d8201e54b66bd6072442f0b5d5a308ee
- git.kernel.org/stable/c/f4bb0a91f7badd6d15ac8d783a1169d9e1e95c17
Metrics
- CVSS 3.1
-
8.4
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 8 · as of 11 November 2026
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