Linux Kernel: drm/imagination Deadlock in Soft Reset via IRQ
CVE-2026-23470 Published on April 3, 2026
drm/imagination: Fix deadlock in soft reset sequence
In the Linux kernel, the following vulnerability has been resolved:
drm/imagination: Fix deadlock in soft reset sequence
The soft reset sequence is currently executed from the threaded IRQ
handler, hence it cannot call disable_irq() which internally waits
for IRQ handlers, i.e. itself, to complete.
Use disable_irq_nosync() during a soft reset instead.
Products Associated with CVE-2026-23470
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Affected Versions
Linux:- Version cc1aeedb98ad347c06ff59e991b2f94dfb4c565d and below f99e8b813ae5ce8ffd62c33f5753bf0a008af4b1 is affected.
- Version cc1aeedb98ad347c06ff59e991b2f94dfb4c565d and below 9497b1f309436971726e229aa6026954ea7c28e9 is affected.
- Version cc1aeedb98ad347c06ff59e991b2f94dfb4c565d and below 6f39b48a2d3b1fe83f99477250cd0cd67ca1e1c6 is affected.
- Version cc1aeedb98ad347c06ff59e991b2f94dfb4c565d and below a55c2a5c8d680156495b7b1e2a9f5a3e313ba524 is affected.
- Version 6.8 is affected.
- Before 6.8 is unaffected.
- Version 6.12.78, <= 6.12.* is unaffected.
- Version 6.18.20, <= 6.18.* is unaffected.
- Version 6.19.10, <= 6.19.* is unaffected.
- Version 7.0-rc5, <= * is unaffected.