What is CVE-2026-43465?

CVE-2026-43465 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-08.

How severe is CVE-2026-43465?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2026-43465

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQ XDP multi-buf programs can modify the layout of the XDP buffer when the program calls bpf_xdp_pull_data()…

EPSS: 0.001 (23.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 0, 6.18, f2557d7fa38e9475b38588f5c124476091480f53
Linux Linux_kernel — versions 6.18, 7.0

References

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

Frequently asked questions

What is CVE-2026-43465?: CVE-2026-43465 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-05-08.
How severe is CVE-2026-43465?: Critical severity. CVSS v3 base score is 9.8 out of 10.