Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix deadlock This patch introduces the ucsi_con_mutex_lock / ucsi_con_mutex_unlock functions to the UCSI driver. ucsi_con_mutex_lock ensures the connector mutex is only locked if a connection is established and the partner pointer is valid. This resolves a deadlock scenario where ucsi_displayport_remove_partner holds con->mutex waiting for dp_altmode_work to complete while dp_altmode_work attempts to acquire it.
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
af8622f6a585d8d82b11cd7987e082861fd0edd3 to < f4bd982563c2fd41ec9ca6c517c392d759db801caffectedaf8622f6a585d8d82b11cd7987e082861fd0edd3 to < f32451ca4cb7dc53f2a0e2e66b84d34162747eb7affectedaf8622f6a585d8d82b11cd7987e082861fd0edd3 to < 962ce9028ca6eb450d5c205238a3ee27de9d214daffectedaf8622f6a585d8d82b11cd7987e082861fd0edd3 to < 5924b324468845fc795bd76f588f51d7ab4f202daffectedaf8622f6a585d8d82b11cd7987e082861fd0edd3 to < 61fc1a8e1e10cc784cab5829930838aaf1d37af5affectedaf8622f6a585d8d82b11cd7987e082861fd0edd3 to < 364618c89d4c57c85e5fc51a2446cd939bf57802affected
Linux Linux
Default version status: affected
5.2affected0 to < 5.2unaffected5.15.184 to ≤ 5.15.*unaffected6.1.140 to ≤ 6.1.*unaffected6.6.92 to ≤ 6.6.*unaffected6.12.30 to ≤ 6.12.*unaffected6.14.7 to ≤ 6.14.*unaffected6.15 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/f4bd982563c2fd41ec9ca6c517c392d759db801c ↗
- https://git.kernel.org/stable/c/f32451ca4cb7dc53f2a0e2e66b84d34162747eb7 ↗
- https://git.kernel.org/stable/c/962ce9028ca6eb450d5c205238a3ee27de9d214d ↗
- https://git.kernel.org/stable/c/5924b324468845fc795bd76f588f51d7ab4f202d ↗
- https://git.kernel.org/stable/c/61fc1a8e1e10cc784cab5829930838aaf1d37af5 ↗
- https://git.kernel.org/stable/c/364618c89d4c57c85e5fc51a2446cd939bf57802 ↗
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html ↗