CVE-2025-37815
misc: microchip: pci1xxxx: Fix Kernel panic during IRQ handler registration
Reported by linux · Published May 8, 2025
In the Linux kernel, the following vulnerability has been resolved: misc: microchip: pci1xxxx: Fix Kernel panic during IRQ handler registration Resolve kernel panic while accessing IRQ handler associated with the generated IRQ. This is done by acquiring the spinlock and storing the current interrupt state before handling the interrupt request using generic_handle_irq. A previous fix patch was submitted where 'generic_handle_irq' was replaced with 'handle_nested_irq'. However, this change also causes the kernel panic where after determining which GPIO triggered the interrupt and attempting to call handle_nested_irq with the mapped IRQ number, leads to a failure in locating the registered handler.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux_kernel | linux | 6.14.5, 6.12.26, 6.6.89, 6.1.136 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 79aef6187e16b2d32307c8ff610e9e04f7f86e1f, 25692750c0259c5b65afec467d97201a485e8a00, 47d3749ec0cb56b7b98917c190a8c10cb54216fd |
| Linux | Linux | 6.13, 0, 6.1.136 |
| linux | linux_kernel | 6.1.125, 6.6.72, 6.12.10 |
| Linux | Linux | 79aef6187e16b2d32307c8ff610e9e04f7f86e1f, 25692750c0259c5b65afec467d97201a485e8a00, 47d3749ec0cb56b7b98917c190a8c10cb54216fd |
Timeline
- May 8, 2025 EPSS Score (30 in total, the first dated here)
- May 8, 2025 CVE Published
- Oct 12, 2025 PoC Published (5 in total, the first dated here)
- Mar 29, 2026 Distribution Patch (80 in total, the first dated here)
- Mar 29, 2026 Security Advisory (82 in total, the first dated here)
- Jun 9, 2026 Coalition ESS Score
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