What is CVE-2026-43296?

CVE-2026-43296 is a high-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 7.5/10. Published 2026-05-08.

How severe is CVE-2026-43296?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Linux

CVE-2026-43296

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Workaround SQM/PSE stalls by disabling sticky NIX SQ manager sticky mode is known to cause stalls when multiple SQs share an SMQ and transmit concurrently…

EPSS: 0.001 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 5d9b976d4480dc0dcfa3719b645636d2f0f9f156, 6.1.165, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux Linux_kernel

Weakness classification (CWE)

CWE-667 — Improper Locking

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-2026-43296?: CVE-2026-43296 is a high-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 7.5/10. Published 2026-05-08.
How severe is CVE-2026-43296?: High severity. CVSS v3 base score is 7.5 out of 10.