CVE-2025-38404
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`.
Does this matter?
Lower severity and a low EPSS score (0.13%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.13% probability · 3th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-667
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/099cf1fbb8afc3771f408109f62bdec66f85160ePatch
- https://git.kernel.org/stable/c/63cff9f57e86b2dc25d7487ca0118df89a665296Patch
- https://git.kernel.org/stable/c/749d9076735fb497aae60fbea9fff563f9ea3254Patch
- https://git.kernel.org/stable/c/76cf1f33e7319fe74c94ac92f9814094ee8cc84bPatch
- https://git.kernel.org/stable/c/7be0d1ea71f52595499da39cea484a895e8ed042Patch
- https://git.kernel.org/stable/c/80c25d7916a44715338d4f8924c8e52af50d0b9fPatch
- https://git.kernel.org/stable/c/c782f98eef14197affa8a7b91e6981420f109ea9Patch
- https://git.kernel.org/stable/c/eb08fca56f1f39e4038cb9bac9864464b13b00aaPatch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.