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CVE-2025-38356— drm/xe/guc: Explicitly exit CT safe mode on unwind

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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CT安全模式在解绑时未显式退出。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 09b286950f2911615694f4a1ff491efe9ed5eeba< 6d0b588614c43d6334b2d7a70a99f31f7b14ecc0 affected
09b286950f2911615694f4a1ff491efe9ed5eeba< f161e905b08ae8a513c5a36a10e3163e9920cfe6 affected
09b286950f2911615694f4a1ff491efe9ed5eeba< ad40098da5c3b43114d860a5b5740e7204158534 affected
6.11 affected
< 6.11 unaffected
6.12.37≤ 6.12.* unaffected
6.15.5≤ 6.15.* unaffected
6.16≤ * unaffected
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I. Basic Information for CVE-2025-38356

Vulnerability Information
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Vulnerability Title
drm/xe/guc: Explicitly exit CT safe mode on unwind
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Explicitly exit CT safe mode on unwind During driver probe we might be briefly using CT safe mode, which is based on a delayed work, but usually we are able to stop this once we have IRQ fully operational. However, if we abort the probe quite early then during unwind we might try to destroy the workqueue while there is still a pending delayed work that attempts to restart itself which triggers a WARN. This was recently observed during unsuccessful VF initialization: [ ] xe 0000:00:02.1: probe with driver xe failed with error -62 [ ] ------------[ cut here ]------------ [ ] workqueue: cannot queue safe_mode_worker_func [xe] on wq xe-g2h-wq [ ] WARNING: CPU: 9 PID: 0 at kernel/workqueue.c:2257 __queue_work+0x287/0x710 [ ] RIP: 0010:__queue_work+0x287/0x710 [ ] Call Trace: [ ] delayed_work_timer_fn+0x19/0x30 [ ] call_timer_fn+0xa1/0x2a0 Exit the CT safe mode on unwind to avoid that warning. (cherry picked from commit 2ddbb73ec20b98e70a5200cb85deade22ccea2ec)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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CT安全模式在解绑时未显式退出。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 09b286950f2911615694f4a1ff491efe9ed5eeba ~ 6d0b588614c43d6334b2d7a70a99f31f7b14ecc0 -
Linux Linux 6.11 -

II. Public POCs for CVE-2025-38356

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III. Intelligence Information for CVE-2025-38356

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Same Patch Batch · Linux · 2025-07-25 · 114 CVEs total

CVE-2025-38429 10.0 CRITICAL bus: mhi: ep: Update read pointer only after buffer is written
CVE-2025-38439 9.8 CRITICAL bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT
CVE-2025-38430 9.8 CRITICAL nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
CVE-2025-38411 9.8 CRITICAL netfs: Fix double put of request
CVE-2025-38365 9.1 CRITICAL btrfs: fix a race between renames and directory logging
CVE-2025-38377 8.8 HIGH rose: fix dangling neighbour pointers in rose_rt_device_down()
CVE-2025-38437 8.8 HIGH ksmbd: fix potential use-after-free in oplock/lease break ack
CVE-2025-38367 8.8 HIGH LoongArch: KVM: Avoid overflow with array index
CVE-2025-38375 8.4 HIGH virtio-net: ensure the received length does not exceed allocated size
CVE-2025-38395 8.4 HIGH regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods
CVE-2025-38453 7.8 HIGH io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU
CVE-2025-38396 7.8 HIGH fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass
CVE-2025-38408 7.8 HIGH genirq/irq_sim: Initialize work context pointers properly
CVE-2025-38440 7.8 HIGH net/mlx5e: Fix race between DIM disable and net_dim()
CVE-2025-38447 7.8 HIGH mm/rmap: fix potential out-of-bounds page table access during batched unmap
CVE-2025-38412 7.8 HIGH platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks
CVE-2025-38398 7.8 HIGH spi: spi-qpic-snand: reallocate BAM transactions
CVE-2025-38386 7.8 HIGH ACPICA: Refuse to evaluate a method if arguments are missing
CVE-2025-38382 7.8 HIGH btrfs: fix iteration of extrefs during log replay
CVE-2025-38424 7.8 HIGH perf: Fix sample vs do_exit()

Showing top 20 of 114 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38356

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