dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler
CVE-2026-23422 is fixed in linux on 1 platform, first by DEBIAN-CVE-2026-23422, released April 3, 2026. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler Commit 31a7a0bbeb00 ("dpaa2-switch: add bounds check for if_id in IRQ handler") introduces a range check for if_id to avoid an out-of-bounds access. If an out-of-bounds if_id is detected, the interrupt status is not cleared. This may result in an interrupt storm. Clear the interrupt status after detecting an out-of-bounds if_id to avoid the problem. Found by an experimental AI code review agent at Google.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.170-1 | DEBIAN-CVE-2026-23422 | Apr 3, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.85-1 | DEBIAN-CVE-2026-23422 | Apr 3, 2026 |
| linux · Debian 14 | 6.19.8-1 | DEBIAN-CVE-2026-23422 | Apr 3, 2026 |
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