CVE-2026-74541
Bluetooth: ISO: clear iso_data always when detaching conn from hcon
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
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Affected Versions
Linux / Linux
fbdc4bc47268953c80853489f696e02d61f9a2c6 < cc1d39946d62bc568551dfb81149724de1e91338 fbdc4bc47268953c80853489f696e02d61f9a2c6 < 7b51a9c25e9698b64df9f2218f10eecf7dc7e2d0 fbdc4bc47268953c80853489f696e02d61f9a2c6 < 63c0f396a18b767eb28e895eb95bbdce6c172c59 fbdc4bc47268953c80853489f696e02d61f9a2c6 < 69a4a7b162b3db6ac337e3094cdee38f24d42ff7 fbdc4bc47268953c80853489f696e02d61f9a2c6 < d57e506f6a1e3929611340fae87c1e4823f4d85c c03a10bd5b6ccb22921e04bcddc987410df7e7a9 6.5.12 < 6.6
Linux / Linux
6.6
References
git.kernel.org: https://git.kernel.org/stable/c/cc1d39946d62bc568551dfb81149724de1e91338 git.kernel.org: https://git.kernel.org/stable/c/7b51a9c25e9698b64df9f2218f10eecf7dc7e2d0 git.kernel.org: https://git.kernel.org/stable/c/63c0f396a18b767eb28e895eb95bbdce6c172c59 git.kernel.org: https://git.kernel.org/stable/c/69a4a7b162b3db6ac337e3094cdee38f24d42ff7 git.kernel.org: https://git.kernel.org/stable/c/d57e506f6a1e3929611340fae87c1e4823f4d85c