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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-74541

Bluetooth: ISO: clear iso_data always when detaching conn from hcon

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Status
Published
Published
Updated
Assigning organization
Linux

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().

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • fbdc4bc47268953c80853489f696e02d61f9a2c6 to < cc1d39946d62bc568551dfb81149724de1e91338affected
  • fbdc4bc47268953c80853489f696e02d61f9a2c6 to < 7b51a9c25e9698b64df9f2218f10eecf7dc7e2d0affected
  • fbdc4bc47268953c80853489f696e02d61f9a2c6 to < 63c0f396a18b767eb28e895eb95bbdce6c172c59affected
  • fbdc4bc47268953c80853489f696e02d61f9a2c6 to < 69a4a7b162b3db6ac337e3094cdee38f24d42ff7affected
  • fbdc4bc47268953c80853489f696e02d61f9a2c6 to < d57e506f6a1e3929611340fae87c1e4823f4d85caffected
  • c03a10bd5b6ccb22921e04bcddc987410df7e7a9affected
  • 6.5.12 to < 6.6affected

Linux Linux

Default version status: affected

  • 6.6affected
  • 0 to < 6.6unaffected
  • 6.6.151 to ≤ 6.6.*unaffected
  • 6.12.103 to ≤ 6.12.*unaffected
  • 6.18.44 to ≤ 6.18.*unaffected
  • 7.1.8 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References