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I. Basic Information for CVE-2022-50077
Vulnerability Information

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Vulnerability Title
apparmor: fix reference count leak in aa_pivotroot()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix reference count leak in aa_pivotroot() The aa_pivotroot() function has a reference counting bug in a specific path. When aa_replace_current_label() returns on success, the function forgets to decrement the reference count of “target”, which is increased earlier by build_pivotroot(), causing a reference leak. Fix it by decreasing the refcount of “target” in that path.
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apparmor在aa_pivotroot成功路径未减少target引用计数导致内存泄漏。
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 2ea3ffb7782a84da33a8382f13ebd016da50079b ~ d53194707d2a1851be027cd74266b96ceff799d3 -
LinuxLinux 4.14 -
II. Public POCs for CVE-2022-50077
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III. Intelligence Information for CVE-2022-50077
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IV. Related Vulnerabilities
V. Comments for CVE-2022-50077

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