What is CVE-2026-53036?

CVE-2026-53036 is a high-severity vulnerability in Linux, classified under Off-by-one Error. CVSS score: 7.8/10. Published 2026-06-24.

How severe is CVE-2026-53036?

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

Vulnerability in Linux

CVE-2026-53036

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix off-by-one in check_imm signed range check check_imm(bits, imm) is used in the arm64 BPF JIT to verify that a branch displacement (in arm64 instruction u…

EPSS: 0.001 (3.7th 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 e54bcde3d69d40023ae77727213d14f920eb264a, 3.18, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-193 — Off-by-one Error

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)

Frequently asked questions

What is CVE-2026-53036?: CVE-2026-53036 is a high-severity vulnerability in Linux, classified under Off-by-one Error. CVSS score: 7.8/10. Published 2026-06-24.
How severe is CVE-2026-53036?: High severity. CVSS v3 base score is 7.8 out of 10.