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CVE-2024-50269— usb: musb: sunxi: Fix accessing an released usb phy

EPSS 0.01% · P2
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I. Basic Information for CVE-2024-50269

Vulnerability Information
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Vulnerability Title
usb: musb: sunxi: Fix accessing an released usb phy
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: musb: sunxi: Fix accessing an released usb phy Commit 6ed05c68cbca ("usb: musb: sunxi: Explicitly release USB PHY on exit") will cause that usb phy @glue->xceiv is accessed after released. 1) register platform driver @sunxi_musb_driver // get the usb phy @glue->xceiv sunxi_musb_probe() -> devm_usb_get_phy(). 2) register and unregister platform driver @musb_driver musb_probe() -> sunxi_musb_init() use the phy here //the phy is released here musb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy() 3) register @musb_driver again musb_probe() -> sunxi_musb_init() use the phy here but the phy has been released at 2). ... Fixed by reverting the commit, namely, removing devm_usb_put_phy() from sunxi_musb_exit().
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 phy在发布后会被访问。
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 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce ~ 721ddad945596220c123eb6f7126729fe277ee4f -
LinuxLinux 4.14 -

II. Public POCs for CVE-2024-50269

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III. Intelligence Information for CVE-2024-50269

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Same Patch Batch · Linux · 2024-11-19 · 88 CVEs total

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CVE-2024-53060drm/amdgpu: prevent NULL pointer dereference if ATIF is not supported
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CVE-2024-53063media: dvbdev: prevent the risk of out of memory access
CVE-2024-53066nfs: Fix KMSAN warning in decode_getfattr_attrs()
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Showing top 20 of 88 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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