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I. Basic Information for CVE-2022-49920
Vulnerability Information

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Vulnerability Title
netfilter: nf_tables: netlink notifier might race to release objects
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: netlink notifier might race to release objects commit release path is invoked via call_rcu and it runs lockless to release the objects after rcu grace period. The netlink notifier handler might win race to remove objects that the transaction context is still referencing from the commit release path. Call rcu_barrier() to ensure pending rcu callbacks run to completion if the list of transactions to be destroyed is not empty.
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 netlink通知器竞态条件释放对象,可能导致释放后重用。
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 6001a930ce0378b62210d4f83583fc88a903d89d ~ 1ffe7100411a8b9015115ce124cd6c9c9da6f8e3 -
LinuxLinux 5.12 -
II. Public POCs for CVE-2022-49920
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III. Intelligence Information for CVE-2022-49920
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49920

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