What is CVE-2026-43466?

CVE-2026-43466 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-05-08.

How severe is CVE-2026-43466?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Linux

CVE-2026-43466

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix DMA FIFO desync on error CQE SQ recovery In case of a TX error CQE, a recovery flow is triggered, mlx5e_reset_txqsq_cc_pc() resets dma_fifo_cc to 0 but no…

EPSS: 0.001 (21.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Linux — versions db75373c91b0cfb6a68ad6ae88721e4e21ae6261, 4.17, 0
Linux Linux_kernel — versions 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-43466?: CVE-2026-43466 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-05-08.
How severe is CVE-2026-43466?: High severity. CVSS v3 base score is 8.2 out of 10.