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THREAT OPS › Threat News › [NVD] CVE-2026-80721 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: ensure no dangling hcon references in iso_conn After iso_conn_del(), ISO sockets should not dereference the hcon any more. Currently, clearing iso_conn::hcon relies on iso_conn_del() releasing

[NVD] CVE-2026-80721 (HIGH 8.8) — In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: ensure no dangling hcon references in iso_conn After iso_conn_del(), ISO sockets should not dereference the hcon any more. Currently, clearing iso_conn::hcon relies on iso_conn_del() releasing

mednvdPublished 2026-08-28

CVE-2026-80721 CVSS: 8.8 HIGH Published: 2026-08-28T08:16:57.903

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: ISO: ensure no dangling hcon references in iso_conn

After iso_conn_del(), ISO sockets should not dereference the hcon any more. Currently, clearing iso_conn::hcon relies on iso_conn_del() releasing the last reference to the iso_conn.

Simplify this by

Indicators of compromise

CVE-2026-80721cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-80721