{"id":"CVE-2022-49590","state":"PUBLISHED","title":"igmp: Fix data-races around sysctl_igmp_llm_reports.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nigmp: Fix data-races around sysctl_igmp_llm_reports.\n\nWhile reading sysctl_igmp_llm_reports, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its readers.\n\nThis test can be packed into a helper, so such changes will be in the\nfollow-up series after net is merged into net-next.\n\n  if (ipv4_is_local_multicast(pmc->multiaddr) &&\n      !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))","publishedAt":"2025-02-26T02:23:23.604Z","updatedAt":"2026-05-11T19:02:53.322Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"a84b4afaca2573ed3aed1f8854aefe3ca5a82e72","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"d77969e7d4ccc26bf1f414a39ef35050a83ba6d5","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"1656ecaddf90e2a070ec2d2404cdae3edf80faca","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"473aad9ad57ff760005377e6f45a2ad4210e08ce","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"260446eb8e5541402b271343a4516f2b33dec1e4","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"46307adceb67bdf2ec38408dd9cebc378a6b5c46","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"f6da2267e71106474fbc0943dc24928b9cb79119","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/igmp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.3","versionType":"semver"},{"version":"4.9.325","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.290","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.254","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.208","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.134","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/igmp.c"]}],"references":["https://git.kernel.org/stable/c/a84b4afaca2573ed3aed1f8854aefe3ca5a82e72","https://git.kernel.org/stable/c/d77969e7d4ccc26bf1f414a39ef35050a83ba6d5","https://git.kernel.org/stable/c/ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8","https://git.kernel.org/stable/c/1656ecaddf90e2a070ec2d2404cdae3edf80faca","https://git.kernel.org/stable/c/473aad9ad57ff760005377e6f45a2ad4210e08ce","https://git.kernel.org/stable/c/260446eb8e5541402b271343a4516f2b33dec1e4","https://git.kernel.org/stable/c/46307adceb67bdf2ec38408dd9cebc378a6b5c46","https://git.kernel.org/stable/c/f6da2267e71106474fbc0943dc24928b9cb79119"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49590.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49590","state":"PUBLISHED","datePublished":"2025-02-26T02:23:23.604Z","dateUpdated":"2026-05-11T19:02:53.322Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.412Z"},"containers":{"cna":{"title":"igmp: Fix data-races around sysctl_igmp_llm_reports.","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nigmp: Fix data-races around sysctl_igmp_llm_reports.\n\nWhile reading sysctl_igmp_llm_reports, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its readers.\n\nThis test can be packed into a helper, so such changes will be in the\nfollow-up series after net is merged into net-next.\n\n  if (ipv4_is_local_multicast(pmc->multiaddr) &&\n      !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"a84b4afaca2573ed3aed1f8854aefe3ca5a82e72","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"d77969e7d4ccc26bf1f414a39ef35050a83ba6d5","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"1656ecaddf90e2a070ec2d2404cdae3edf80faca","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"473aad9ad57ff760005377e6f45a2ad4210e08ce","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"260446eb8e5541402b271343a4516f2b33dec1e4","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"46307adceb67bdf2ec38408dd9cebc378a6b5c46","versionType":"git"},{"version":"df2cf4a78e488d26728590cb3c6b4fe4c4862c77","status":"affected","lessThan":"f6da2267e71106474fbc0943dc24928b9cb79119","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/igmp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.3","versionType":"semver"},{"version":"4.9.325","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.290","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.254","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.208","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.134","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/igmp.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a84b4afaca2573ed3aed1f8854aefe3ca5a82e72"},{"url":"https://git.kernel.org/stable/c/d77969e7d4ccc26bf1f414a39ef35050a83ba6d5"},{"url":"https://git.kernel.org/stable/c/ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8"},{"url":"https://git.kernel.org/stable/c/1656ecaddf90e2a070ec2d2404cdae3edf80faca"},{"url":"https://git.kernel.org/stable/c/473aad9ad57ff760005377e6f45a2ad4210e08ce"},{"url":"https://git.kernel.org/stable/c/260446eb8e5541402b271343a4516f2b33dec1e4"},{"url":"https://git.kernel.org/stable/c/46307adceb67bdf2ec38408dd9cebc378a6b5c46"},{"url":"https://git.kernel.org/stable/c/f6da2267e71106474fbc0943dc24928b9cb79119"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:02:53.322Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"4.9.325"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"4.14.290"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"4.19.254"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.4.208"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.10.134"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.15.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.18.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.3","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.7,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49590","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:35:51.108604Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","lang":"en","type":"CWE","description":"CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:53.642Z"}}]}}}