CVE-2026-74541

high

Description

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().

References

https://git.kernel.org/stable/c/d57e506f6a1e3929611340fae87c1e4823f4d85c

https://git.kernel.org/stable/c/cc1d39946d62bc568551dfb81149724de1e91338

https://git.kernel.org/stable/c/7b51a9c25e9698b64df9f2218f10eecf7dc7e2d0

https://git.kernel.org/stable/c/69a4a7b162b3db6ac337e3094cdee38f24d42ff7

https://git.kernel.org/stable/c/63c0f396a18b767eb28e895eb95bbdce6c172c59

Details

Source: Mitre, NVD

Published: 2026-08-15

Updated: 2026-08-15

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: High

EPSS

EPSS: 0.00168