Vulnerability in Linux

CVE-2026-74528

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_past_sync() callback Avoids giving freed pointers to hci_conn_valid(), which kmalloc may have reused. Hold refcount to avoid that.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (27.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-74528: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001

Affected products

  • Linux — versions 7.2-rc6, d3413703d5f8b7d1e6f514f9440ed5da1bc30796, 7.2

References

Frequently asked questions

What is CVE-2026-74528?
CVE-2026-74528 is a high-severity vulnerability in Linux. CVSS score: 8.0/10. Published 2026-08-15.
How severe is CVE-2026-74528?
High severity. CVSS v3 base score is 8.0 out of 10.