CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.7. It affects Linux.
CVE
CVE-2022-49590
Severity
MEDIUM
CVSS
4.7
EPSS
0.19%
Linux
Original NVD 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))
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