What is CVE-2026-64126?

CVE-2026-64126 is a high-severity vulnerability in Linux. CVSS score: 7.3/10. Published 2026-07-19.

How severe is CVE-2026-64126?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Linux

CVE-2026-64126

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate Add Extended Advertising Data length MGMT_OP_ADD_EXT_ADV_DATA is registered as a variable-length command, with MGMT_ADD_EXT_ADV_DATA_SIZE as th…

EPSS: 0.002 (7.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Linux — versions 12410572833a283ce92fcf9679ca8a2f372097ee, 5.11, 0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-64126?: CVE-2026-64126 is a high-severity vulnerability in Linux. CVSS score: 7.3/10. Published 2026-07-19.
How severe is CVE-2026-64126?: High severity. CVSS v3 base score is 7.3 out of 10.