CVE-2025-38404— usb: typec: displayport: Fix potential deadlock
Affected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | e0359c66c1beccbe90119a63391678eabda38007< 749d9076735fb497aae60fbea9fff563f9ea3254 | affected |
e3fb6c2c3939b4aad203cacdd613a62ce1fd032c< eb08fca56f1f39e4038cb9bac9864464b13b00aa | affected | ||
56846793f105cf2b39ecbde4f3ae86342091f6fc< 7be0d1ea71f52595499da39cea484a895e8ed042 | affected | ||
8e8a69b1f8c59f0505f8a1c0fb77191f27b75011< 76cf1f33e7319fe74c94ac92f9814094ee8cc84b | affected | ||
8851e40587013db00b71d4aeaae30f5fd59b0eec< 63cff9f57e86b2dc25d7487ca0118df89a665296 | affected | ||
10cc2cfd3e5d0e0ec7590c4bee8bcea10e5492c4< c782f98eef14197affa8a7b91e6981420f109ea9 | affected | ||
8f6a4fa7b663468bb304cb885b93326e025ae005< 80c25d7916a44715338d4f8924c8e52af50d0b9f | affected | ||
b4b38ffb38c91afd4dc387608db26f6fc34ed40b< 099cf1fbb8afc3771f408109f62bdec66f85160e | affected | ||
| … +4 more rows | |||
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I. Basic Information for CVE-2025-38404
Vulnerability Information
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Vulnerability Title
usb: typec: displayport: Fix potential deadlock
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于usb typec displayport模块存在潜在死锁问题，可能导致系统挂起。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-38404
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-07-25 · 114 CVEs total
| CVE-2025-38426 | drm/amdgpu: Add basic validation for RAS header | |
| CVE-2025-38440 | net/mlx5e: Fix race between DIM disable and net_dim() | |
| CVE-2025-38438 | ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak. | |
| CVE-2025-38437 | ksmbd: fix potential use-after-free in oplock/lease break ack | |
| CVE-2025-38436 | drm/scheduler: signal scheduled fence when kill job | |
| CVE-2025-38435 | riscv: vector: Fix context save/restore with xtheadvector | |
| CVE-2025-38434 | Revert "riscv: Define TASK_SIZE_MAX for __access_ok()" | |
| CVE-2025-38433 | riscv: fix runtime constant support for nommu kernels | |
| CVE-2025-38432 | net: netpoll: Initialize UDP checksum field before checksumming | |
| CVE-2025-38431 | smb: client: fix regression with native SMB symlinks | |
| CVE-2025-38430 | nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request | |
| CVE-2025-38429 | bus: mhi: ep: Update read pointer only after buffer is written | |
| CVE-2025-38428 | Input: ims-pcu - check record size in ims_pcu_flash_firmware() | |
| CVE-2025-38427 | video: screen_info: Relocate framebuffers behind PCI bridges | |
| CVE-2025-38425 | i2c: tegra: check msg length in SMBUS block read | |
| CVE-2025-38414 | wifi: ath12k: fix GCC_GCC_PCIE_HOT_RST definition for WCN7850 | |
| CVE-2025-38417 | ice: fix eswitch code memory leak in reset scenario | |
| CVE-2025-38416 | NFC: nci: uart: Set tty->disc_data only in success path | |
| CVE-2025-38415 | Squashfs: check return result of sb_min_blocksize | |
| CVE-2025-38418 | remoteproc: core: Release rproc->clean_table after rproc_attach() fails |
Showing top 20 of 114 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
Same vendor: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
V. Comments for CVE-2025-38404
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