CVE-2026-74309
Critical
Description
In the Linux kernel, the following vulnerability has been resolved: vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler Look up the IRQ index in oct_hw->irqs instead of assuming irq - irqs[0]. This supports non-contiguous IRQ numbers and avoids incorrect ring indexing when irqs[0] is not the base.
SeverityCritical
CVSS10.0
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linux3ef0cfa77a3d526591be069850d186c255e3f0cc, c6c7eae5de798442987619434171ac886035d57c, 0d21a1d6375a05274291e32c1ab7cd57dbb69513 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 26f8ce06af6475b33b0bc60261e9f5027f9af58f ≤ v < 3ef0cfa77a3d526591be069850d186c255e3f0cc, 26f8ce06af6475b33b0bc60261e9f5027f9af58f ≤ v < c6c7eae5de798442987619434171ac886035d57c, 26f8ce06af6475b33b0bc60261e9f5027f9af58f ≤ v < 0d21a1d6375a05274291e32c1ab7cd57dbb69513, 6.14 | 3ef0cfa77a3d526591be069850d186c255e3f0cc, c6c7eae5de798442987619434171ac886035d57c, 0d21a1d6375a05274291e32c1ab7cd57dbb69513 |
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