{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49590", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.412Z", "datePublished": "2025-02-26T02:23:23.604Z", "dateUpdated": "2025-02-26T02:23:23.604Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:23:23.604Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/igmp.c"], "versions": [{"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "a84b4afaca2573ed3aed1f8854aefe3ca5a82e72", "status": "affected", "versionType": "git"}, {"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "d77969e7d4ccc26bf1f414a39ef35050a83ba6d5", "status": "affected", "versionType": "git"}, {"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8", "status": "affected", "versionType": "git"}, {"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "1656ecaddf90e2a070ec2d2404cdae3edf80faca", "status": "affected", "versionType": "git"}, {"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "473aad9ad57ff760005377e6f45a2ad4210e08ce", "status": "affected", "versionType": "git"}, {"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "260446eb8e5541402b271343a4516f2b33dec1e4", "status": "affected", "versionType": "git"}, {"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "46307adceb67bdf2ec38408dd9cebc378a6b5c46", "status": "affected", "versionType": "git"}, {"version": "df2cf4a78e488d26728590cb3c6b4fe4c4862c77", "lessThan": "f6da2267e71106474fbc0943dc24928b9cb79119", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/igmp.c"], "versions": [{"version": "4.3", "status": "affected"}, {"version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.325", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.290", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.254", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.208", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.134", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.58", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.15", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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"}], "title": "igmp: Fix data-races around sysctl_igmp_llm_reports.", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

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Al leer sysctl_igmp_llm_reports, se puede cambiar simult\u00e1neamente. Por lo tanto, debemos agregar READ_ONCE() a sus lectores. Esta prueba se puede empaquetar en un asistente, por lo que dichos cambios estar\u00e1n en la serie de seguimiento despu\u00e9s de que net se fusione con net-next. if (ipv4_is_local_multicast(pmc->multiaddr) && !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))"}], "id": "CVE-2022-49590", "lastModified": "2025-03-10T20:23:01.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:01:34.573", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/1656ecaddf90e2a070ec2d2404cdae3edf80faca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/260446eb8e5541402b271343a4516f2b33dec1e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/46307adceb67bdf2ec38408dd9cebc378a6b5c46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/473aad9ad57ff760005377e6f45a2ad4210e08ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/a84b4afaca2573ed3aed1f8854aefe3ca5a82e72"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/d77969e7d4ccc26bf1f414a39ef35050a83ba6d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/f6da2267e71106474fbc0943dc24928b9cb79119"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: igmp: Fix data-races around sysctl_igmp_llm_reports.", "id": "2347769", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347769"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nigmp: Fix data-races around sysctl_igmp_llm_reports.\nWhile reading sysctl_igmp_llm_reports, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its readers.\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.\nif (ipv4_is_local_multicast(pmc->multiaddr) &&\n!READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))"], "name": "CVE-2022-49590", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49590\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49590\nhttps://lore.kernel.org/linux-cve-announce/2025022610-CVE-2022-49590-44d5@gregkh/T"], "threat_severity": "Moderate"}