{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-49937", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T12:17:06.042Z", "datePublished": "2024-10-21T18:01:57.730Z", "dateUpdated": "2026-05-11T20:42:18.689Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:42:18.689Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: Set correct chandef when starting CAC\n\nWhen starting CAC in a mode other than AP mode, it return a\n\"WARNING: CPU: 0 PID: 63 at cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\"\ncaused by the chandef.chan being null at the end of CAC.\n\nSolution: Ensure the channel definition is set for the different modes\nwhen starting CAC to avoid getting a NULL 'chan' at the end of CAC.\n\n Call Trace:\n ? show_regs.part.0+0x14/0x16\n ? __warn+0x67/0xc0\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? report_bug+0xa7/0x130\n ? exc_overflow+0x30/0x30\n ? handle_bug+0x27/0x50\n ? exc_invalid_op+0x18/0x60\n ? handle_exception+0xf6/0xf6\n ? exc_overflow+0x30/0x30\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? exc_overflow+0x30/0x30\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]\n ? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]\n ? process_one_work+0x165/0x280\n ? worker_thread+0x120/0x3f0\n ? kthread+0xc2/0xf0\n ? process_one_work+0x280/0x280\n ? kthread_complete_and_exit+0x20/0x20\n ? ret_from_fork+0x19/0x24\n\n[shorten subject, remove OCB, reorder cases to match previous list]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/nl80211.c"], "versions": [{"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "95f32191e50b75e0f75fae1bb925cdf51d8df0a3", "status": "affected", "versionType": "git"}, {"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "04053e55dd50741cf6c59b9bbaa4238218c05c70", "status": "affected", "versionType": "git"}, {"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "f4dbfda159e43d49b43003cc3c2914751939035f", "status": "affected", "versionType": "git"}, {"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "c628026563f4ea9e0413dd4b69429e4a1db240b1", "status": "affected", "versionType": "git"}, {"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "20361712880396e44ce80aaeec2d93d182035651", "status": "affected", "versionType": "git"}, {"version": "7a53ad13c09150076b7ddde96c2dfc5622c90b45", "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/wireless/nl80211.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.113", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.55", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.14", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.3", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.10.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.11.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/95f32191e50b75e0f75fae1bb925cdf51d8df0a3"}, {"url": "https://git.kernel.org/stable/c/04053e55dd50741cf6c59b9bbaa4238218c05c70"}, {"url": "https://git.kernel.org/stable/c/f4dbfda159e43d49b43003cc3c2914751939035f"}, {"url": "https://git.kernel.org/stable/c/c628026563f4ea9e0413dd4b69429e4a1db240b1"}, {"url": "https://git.kernel.org/stable/c/20361712880396e44ce80aaeec2d93d182035651"}], "title": "wifi: cfg80211: Set correct chandef when starting CAC", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-49937", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:38:15.992141Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:38:51.114Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T22:23:22.124Z"}}]}}

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show_regs.part.0+0x14/0x16\n ? __warn+0x67/0xc0\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? report_bug+0xa7/0x130\n ? exc_overflow+0x30/0x30\n ? handle_bug+0x27/0x50\n ? exc_invalid_op+0x18/0x60\n ? handle_exception+0xf6/0xf6\n ? exc_overflow+0x30/0x30\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? exc_overflow+0x30/0x30\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]\n ? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]\n ? process_one_work+0x165/0x280\n ? worker_thread+0x120/0x3f0\n ? kthread+0xc2/0xf0\n ? process_one_work+0x280/0x280\n ? kthread_complete_and_exit+0x20/0x20\n ? ret_from_fork+0x19/0x24\n\n[shorten subject, remove OCB, reorder cases to match previous list]"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.113", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.55", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.10.14", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.11.3", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "5.19.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-05T10:54:30.755Z"}}}, "cveMetadata": {"cveId": "CVE-2024-49937", "state": "PUBLISHED", "dateUpdated": "2026-01-05T10:54:30.755Z", "dateReserved": "2024-10-21T12:17:06.042Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T18:01:57.730Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "180292D6-C3A4-4883-98A3-77F4D56F8081", "versionEndExcluding": "6.1.113", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E90B9576-56C4-47BC-AAB0-C5B2D438F5D0", "versionEndExcluding": "6.6.55", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C16BCE0-FFA0-4599-BE0A-1FD65101C021", "versionEndExcluding": "6.10.14", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9", "versionEndExcluding": "6.11.3", "versionStartIncluding": "6.11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: Set correct chandef when starting CAC\n\nWhen starting CAC in a mode other than AP mode, it return a\n\"WARNING: CPU: 0 PID: 63 at cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\"\ncaused by the chandef.chan being null at the end of CAC.\n\nSolution: Ensure the channel definition is set for the different modes\nwhen starting CAC to avoid getting a NULL 'chan' at the end of CAC.\n\n Call Trace:\n ? show_regs.part.0+0x14/0x16\n ? __warn+0x67/0xc0\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? report_bug+0xa7/0x130\n ? exc_overflow+0x30/0x30\n ? handle_bug+0x27/0x50\n ? exc_invalid_op+0x18/0x60\n ? handle_exception+0xf6/0xf6\n ? exc_overflow+0x30/0x30\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? exc_overflow+0x30/0x30\n ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n ? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]\n ? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]\n ? process_one_work+0x165/0x280\n ? worker_thread+0x120/0x3f0\n ? kthread+0xc2/0xf0\n ? process_one_work+0x280/0x280\n ? kthread_complete_and_exit+0x20/0x20\n ? ret_from_fork+0x19/0x24\n\n[shorten subject, remove OCB, reorder cases to match previous list]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: cfg80211: Establecer chandef correcto al iniciar CAC Al iniciar CAC en un modo distinto del modo AP, devuelve un \"ADVERTENCIA: CPU: 0 PID: 63 en cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\" causado por chandef.chan que es nulo al final de CAC. Soluci\u00f3n: Aseg\u00farese de que la definici\u00f3n del canal est\u00e9 configurada para los diferentes modos al iniciar CAC para evitar obtener un 'chan' NULL al final de CAC. Seguimiento de llamadas: ? show_regs.part.0+0x14/0x16 ? __warn+0x67/0xc0 ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211] ? report_bug+0xa7/0x130 ? exc_overflow+0x30/0x30 ? handle_bug+0x27/0x50 ? exc_invalid_op+0x18/0x60 ? handle_exception+0xf6/0xf6 ? exc_overflow+0x30/0x30 ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211] ? exc_overflow+0x30/0x30 ? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211] ? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211] ? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211] ? process_one_work+0x165/0x280 ? worker_thread+0x120/0x3f0 ? kthread+0xc2/0xf0 ? process_one_work+0x280/0x280 ? kthread_complete_and_exit+0x20/0x20 ? ret_from_fork+0x19/0x24 [acortar asunto, eliminar OCB, reordenar casos para que coincidan con la lista anterior]"}], "id": "CVE-2024-49937", "lastModified": "2025-11-03T23:16:32.117", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-10-21T18:15:15.477", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/04053e55dd50741cf6c59b9bbaa4238218c05c70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/20361712880396e44ce80aaeec2d93d182035651"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/95f32191e50b75e0f75fae1bb925cdf51d8df0a3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c628026563f4ea9e0413dd4b69429e4a1db240b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f4dbfda159e43d49b43003cc3c2914751939035f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: wifi: cfg80211: Set correct chandef when starting CAC", "id": "2320515", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320515"}, "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": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: cfg80211: Set correct chandef when starting CAC\nWhen starting CAC in a mode other than AP mode, it return a\n\"WARNING: CPU: 0 PID: 63 at cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\"\ncaused by the chandef.chan being null at the end of CAC.\nSolution: Ensure the channel definition is set for the different modes\nwhen starting CAC to avoid getting a NULL 'chan' at the end of CAC.\nCall Trace:\n? show_regs.part.0+0x14/0x16\n? __warn+0x67/0xc0\n? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n? report_bug+0xa7/0x130\n? exc_overflow+0x30/0x30\n? handle_bug+0x27/0x50\n? exc_invalid_op+0x18/0x60\n? handle_exception+0xf6/0xf6\n? exc_overflow+0x30/0x30\n? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n? exc_overflow+0x30/0x30\n? cfg80211_chandef_dfs_usable+0x20/0xaf [cfg80211]\n? regulatory_propagate_dfs_state.cold+0x1b/0x4c [cfg80211]\n? cfg80211_propagate_cac_done_wk+0x1a/0x30 [cfg80211]\n? process_one_work+0x165/0x280\n? worker_thread+0x120/0x3f0\n? kthread+0xc2/0xf0\n? process_one_work+0x280/0x280\n? kthread_complete_and_exit+0x20/0x20\n? ret_from_fork+0x19/0x24\n[shorten subject, remove OCB, reorder cases to match previous list]"], "name": "CVE-2024-49937", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-49937\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49937\nhttps://lore.kernel.org/linux-cve-announce/2024102127-CVE-2024-49937-74ee@gregkh/T"], "threat_severity": "Moderate"}

{}