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I. Basic Information for CVE-2022-49127
Vulnerability Information

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Vulnerability Title
ref_tracker: implement use-after-free detection
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ref_tracker: implement use-after-free detection Whenever ref_tracker_dir_init() is called, mark the struct ref_tracker_dir as dead. Test the dead status from ref_tracker_alloc() and ref_tracker_free() This should detect buggy dev_put()/dev_hold() happening too late in netdevice dismantle process.
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ref_tracker中的释放后重用检测。
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 4e66934eaadc83b27ada8d42b60894018f3bfabf ~ 3743c9de303fa36c2e2ca2522ab280c52bcafbd2 -
LinuxLinux 5.17 -
II. Public POCs for CVE-2022-49127
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III. Intelligence Information for CVE-2022-49127
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49127

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