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CVE-2025-40005— spi: cadence-quadspi: Implement refcount to handle unbind during busy

EPSS 0.03% · P9
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I. Basic Information for CVE-2025-40005

Vulnerability Information
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Vulnerability Title
spi: cadence-quadspi: Implement refcount to handle unbind during busy
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removal(unbind) operation. However force device removal(removal) is still available to root superuser. Unbinding driver during operation causes kernel crash. This changes ensure driver able to handle such operation for indirect read and indirect write by implementing refcount to track attached devices to the controller and gracefully wait and until attached devices remove operation completed before proceed with removal operation.
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，该漏洞源于未实现引用计数机制，可能导致设备移除期间内核崩溃。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux a314f6367787ee1d767df9a2120f17e4511144d0 ~ 56787f4a75907ae99b5f5842b756fa68e2482f6d -
LinuxLinux 5.9 -

II. Public POCs for CVE-2025-40005

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III. Intelligence Information for CVE-2025-40005

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Same Patch Batch · Linux · 2025-10-20 · 13 CVEs total

CVE-2025-40017media: iris: Fix memory leak by freeing untracked persist buffer
CVE-2025-40015media: stm32-csi: Fix dereference before NULL check
CVE-2025-40016media: uvcvideo: Mark invalid entities with id UVC_INVALID_ENTITY_ID
CVE-2025-40013ASoC: qcom: audioreach: fix potential null pointer dereference
CVE-2025-40012net/smc: fix warning in smc_rx_splice() when calling get_page()
CVE-2025-40011drm/gma500: Fix null dereference in hdmi teardown
CVE-2025-40010afs: Fix potential null pointer dereference in afs_put_server
CVE-2025-40009fs/proc/task_mmu: check p->vec_buf for NULL
CVE-2025-40008kmsan: fix out-of-bounds access to shadow memory
CVE-2025-40007netfs: fix reference leak
CVE-2025-40006mm/hugetlb: fix folio is still mapped when deleted
CVE-2025-40004net/9p: Fix buffer overflow in USB transport layer

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-40005

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