CVE-2026-74541

highCVSS 8.8covered by 1 sourcefirst seen 2026-08-15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: clear iso_data always when detaching conn from hcon When setting conn->hcon = NULL, also conn->hcon->iso_data = NULL is necessary, otherwise later iso_conn_free() will UAF. Fix clearing of iso_data in iso_sock_disconn() Fixes KASAN: slab-use-after-free in iso_conn_hold_unless_zero on iso_sock_release() followed by hci_abort_conn_sync().

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Exploitation outlook

Low exploitation risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-74541: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: clear iso_…nvd · 2026-08-15

External references

NVD record for CVE-2026-74541

CVE.org record

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