CVE-2024-56682
irqchip/riscv-aplic: Prevent crash when MSI domain is missing
Reported by linux · Published December 28, 2024
In the Linux kernel, the following vulnerability has been resolved: irqchip/riscv-aplic: Prevent crash when MSI domain is missing If the APLIC driver is probed before the IMSIC driver, the parent MSI domain will be missing, which causes a NULL pointer dereference in msi_create_device_irq_domain(). Avoid this by deferring probe until the parent MSI domain is available. Use dev_err_probe() to avoid printing an error message when returning -EPROBE_DEFER.
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 | 6.12.2 |
| Linux | Linux | 1f181d1cda56c2fbe379c5ace1aa1fac6306669e |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | ca8df97fe6798afbe395fc4a8e23bac0c7fbd248, ca8df97fe6798afbe395fc4a8e23bac0c7fbd248 |
| Linux | Linux | 6.10, 0, 6.12.2 |
| Linux | Linux | 6.13, 0, 6.12.2 |
| linux | linux_kernel | 6.10, 6.10 |
Timeline
- Dec 28, 2024 CVE Published
- Dec 28, 2024 PoC Published (2 in total, the first dated here)
- Dec 29, 2024 EPSS Score (30 in total, the first dated here)
- Feb 1, 2025 Coalition ESS Score (5 in total, the first dated here)
- Dec 29, 2025 Security Advisory (420 in total, the first dated here)
- Oct 15, 2026 CVE Updated
- Oct 17, 2026 Distribution Patch (338 in total, the first dated here)
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