What is CVE-2026-53081?

CVE-2026-53081 is a high-severity vulnerability in Linux, classified under CWE-386. CVSS score: 7.8/10. Published 2026-06-24.

How severe is CVE-2026-53081?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-53081

In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce regsafe base id consistency for BPF_ADD_CONST scalars When regsafe() compares two scalar registers that both carry BPF_ADD_CONST, check_scalar_ids() maps th…

EPSS: 0.001 (2.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 98d7ca374ba4b39e7535613d40e159f09ca14da2, 6.11, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-386

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)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)

Frequently asked questions

What is CVE-2026-53081?: CVE-2026-53081 is a high-severity vulnerability in Linux, classified under CWE-386. CVSS score: 7.8/10. Published 2026-06-24.
How severe is CVE-2026-53081?: High severity. CVSS v3 base score is 7.8 out of 10.