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I. Basic Information for CVE-2022-49590
Vulnerability Information

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Vulnerability Title
igmp: Fix data-races around sysctl_igmp_llm_reports.
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: igmp: Fix data-races around sysctl_igmp_llm_reports. While reading sysctl_igmp_llm_reports, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers. This test can be packed into a helper, so such changes will be in the follow-up series after net is merged into net-next. if (ipv4_is_local_multicast(pmc->multiaddr) && !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))
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sysctl_igmp_llm_reports存在数据竞争。
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 df2cf4a78e488d26728590cb3c6b4fe4c4862c77 ~ a84b4afaca2573ed3aed1f8854aefe3ca5a82e72 -
LinuxLinux 4.3 -
II. Public POCs for CVE-2022-49590
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III. Intelligence Information for CVE-2022-49590
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49590

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