# CVE-2026-98430: RDMA/efa: Keep admin queues alive while IRQ is registered

CVE-2026-98430 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-98430, released October 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-98430
- Priority: Routine
- CVSS: 4.7 (Moderate)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 14, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98430

## Description

In the Linux kernel, the following vulnerability has been resolved:  RDMA/efa: Keep admin queues alive while IRQ is registered  The management IRQ handler accesses both the admin completion queue and the async event queue. The driver registered the IRQ before constructing these queues and destroyed them before freeing the IRQ, so the handler's lifetime was not contained by the resources it accesses.  Initialize the queues with interrupts masked, request the IRQ, and then switch to interrupt mode. On removal, reset the device and free the IRQ before destroying the queues. Also reset the device before destroying the queues if IRQ registration fails, because the device already has their DMA addresses.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.190-1 | [DEBIAN-CVE-2026-98430](https://patchblox.com/security/data/fix/linux/debian-cve-2026-98430.md) | Oct 16, 2026 |
| Linux | linux Debian 13.5 (trixie) | 6.12.113-1 | [DEBIAN-CVE-2026-98430](https://patchblox.com/security/data/fix/linux/debian-cve-2026-98430.md) | Oct 16, 2026 |
| Linux | linux Debian 14 | 7.2.8-1 | [DEBIAN-CVE-2026-98430](https://patchblox.com/security/data/fix/linux/debian-cve-2026-98430.md) | Oct 16, 2026 |
| Linux | linux-6.12 Debian 12.15 (bookworm) | 6.12.113-1~deb12u1 | [DEBIAN-CVE-2026-98430](https://patchblox.com/security/data/fix/linux/debian-cve-2026-98430.md) | Oct 16, 2026 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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