CVE-2025-37967
usb: typec: ucsi: displayport: Fix deadlock
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 20, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
af8622f6a585d8d82b11cd7987e082861fd0edd3 < f4bd982563c2fd41ec9ca6c517c392d759db801c af8622f6a585d8d82b11cd7987e082861fd0edd3 < f32451ca4cb7dc53f2a0e2e66b84d34162747eb7 af8622f6a585d8d82b11cd7987e082861fd0edd3 < 962ce9028ca6eb450d5c205238a3ee27de9d214d af8622f6a585d8d82b11cd7987e082861fd0edd3 < 5924b324468845fc795bd76f588f51d7ab4f202d af8622f6a585d8d82b11cd7987e082861fd0edd3 < 61fc1a8e1e10cc784cab5829930838aaf1d37af5 af8622f6a585d8d82b11cd7987e082861fd0edd3 < 364618c89d4c57c85e5fc51a2446cd939bf57802
Linux / Linux
5.2
References
git.kernel.org: https://git.kernel.org/stable/c/f4bd982563c2fd41ec9ca6c517c392d759db801c git.kernel.org: https://git.kernel.org/stable/c/f32451ca4cb7dc53f2a0e2e66b84d34162747eb7 git.kernel.org: https://git.kernel.org/stable/c/962ce9028ca6eb450d5c205238a3ee27de9d214d git.kernel.org: https://git.kernel.org/stable/c/5924b324468845fc795bd76f588f51d7ab4f202d git.kernel.org: https://git.kernel.org/stable/c/61fc1a8e1e10cc784cab5829930838aaf1d37af5 git.kernel.org: https://git.kernel.org/stable/c/364618c89d4c57c85e5fc51a2446cd939bf57802 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html