CVE-2025-38404: fallo en Linux
usb: typec: displayport: Fix potential deadlock
Publicada el · Actualizada el
3Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackepss 0.2%
probabilidad de explotación
0.2%top 95% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: displayport: Fix potential deadlock
The deadlock can occur due to a recursive lock acquisition of
`cros_typec_altmode_data::mutex`.
The call chain is as follows:
1. cros_typec_altmode_work() acquires the mutex
2. typec_altmode_vdm() -> dp_altmode_vdm() ->
3. typec_altmode_exit() -> cros_typec_altmode_exit()
4. cros_typec_altmode_exit() attempts to acquire the mutex again
To prevent this, defer the `typec_altmode_exit()` call by scheduling
it rather than calling it directly from within the mutex-protected
context.
Productos afectados
Linux · LinuxCVEs relacionadas — Linux
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Referencias
https://git.kernel.org/stable/c/099cf1fbb8afc3771f408109f62bdec66f85160ehttps://git.kernel.org/stable/c/63cff9f57e86b2dc25d7487ca0118df89a665296https://git.kernel.org/stable/c/749d9076735fb497aae60fbea9fff563f9ea3254https://git.kernel.org/stable/c/76cf1f33e7319fe74c94ac92f9814094ee8cc84bhttps://git.kernel.org/stable/c/7be0d1ea71f52595499da39cea484a895e8ed042https://git.kernel.org/stable/c/80c25d7916a44715338d4f8924c8e52af50d0b9fhttps://git.kernel.org/stable/c/c782f98eef14197affa8a7b91e6981420f109ea9https://git.kernel.org/stable/c/eb08fca56f1f39e4038cb9bac9864464b13b00aahttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html