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I. Basic Information for CVE-2023-52693
Vulnerability Information

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Vulnerability Title
ACPI: video: check for error while searching for backlight device parent
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: video: check for error while searching for backlight device parent If acpi_get_parent() called in acpi_video_dev_register_backlight() fails, for example, because acpi_ut_acquire_mutex() fails inside acpi_get_parent), this can lead to incorrect (uninitialized) acpi_parent handle being passed to acpi_get_pci_dev() for detecting the parent pci device. Check acpi_get_parent() result and set parent device only in case of success. Found by Linux Verification Center (linuxtesting.org) with SVACE.
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,该漏洞源于将不正确的(未初始化的)acpi_parent 传递给 acpi_get_pci_dev() 用于检测父 pci 设备。
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 9661e92c10a9775243c1ecb73373528ed8725a10 ~ 556f02699d33c1f40b1b31bd25828ce08fa165d8 -
LinuxLinux 2.6.39 -
II. Public POCs for CVE-2023-52693
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III. Intelligence Information for CVE-2023-52693
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IV. Related Vulnerabilities
V. Comments for CVE-2023-52693

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