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I. Basic Information for CVE-2022-50074
Vulnerability Information

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Vulnerability Title
apparmor: Fix memleak in aa_simple_write_to_buffer()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aa_simple_write_to_buffer() When copy_from_user failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to fix this issue.
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_simple_write_to_buffer失败时未完全释放data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 a6a52579e52b55448326db88bd9a5740e7c1a037 ~ 6500eb3a48ac221051b1791818a1ac74744ef617 -
LinuxLinux 4.17 -
II. Public POCs for CVE-2022-50074
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III. Intelligence Information for CVE-2022-50074
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IV. Related Vulnerabilities
V. Comments for CVE-2022-50074

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