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I. Basic Information for CVE-2022-48642
Vulnerability Information

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Vulnerability Title
netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain() It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a ("netfilter: nf_tables: map basechain priority to hardware priority") when nft_chain_offload_priority() returned an error.
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nf_tables_addchain函数的percpu会导致内存泄漏。
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 3bc158f8d0330f0ac58597c023acca2234c14616 ~ b043a525a3f5520abb676a7cd8f6328fdf959e88 -
LinuxLinux 5.3 -
II. Public POCs for CVE-2022-48642
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III. Intelligence Information for CVE-2022-48642
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IV. Related Vulnerabilities
V. Comments for CVE-2022-48642

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