CVE-2026-43219

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43219", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.993Z", "datePublished": "2026-05-06T11:28:20.243Z", "dateUpdated": "2026-07-04T11:50:36.668Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-04T11:50:36.668Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cpsw_new: Fix potential unregister of netdev that has not been registered yet\n\nIf an error occurs during register_netdev() for the first MAC in\ncpsw_register_ports(), even though cpsw->slaves[0].ndev is set to NULL,\ncpsw->slaves[1].ndev would remain unchanged. This could later cause\ncpsw_unregister_ports() to attempt unregistering the second MAC.\nTo address this, add a check for ndev->reg_state before calling\nunregister_netdev(). With this change, setting cpsw->slaves[i].ndev\nto NULL becomes unnecessary and can be removed accordingly."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/ti/cpsw_new.c"], "versions": [{"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "da8e1623a3028e1d8c75eec7898d94c6f17dce40", "status": "affected", "versionType": "git"}, {"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "d31a12cee10bbc12b4b523a4709fd1fdee8b7d0f", "status": "affected", "versionType": "git"}, {"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "23acc565186ee27e788408cbd81b92730b6aaa3a", "status": "affected", "versionType": "git"}, {"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "67cca9df4d17f2c824655d31195b2e75334ae286", "status": "affected", "versionType": "git"}, {"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "14645799ad5253a028cf662e2f9cd18a68f74b31", "status": "affected", "versionType": "git"}, {"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "29739ec197ed66535bc0b86f14ab66c5f4512138", "status": "affected", "versionType": "git"}, {"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "349c4cac6f54a81fc107589771f88136a2b20415", "status": "affected", "versionType": "git"}, {"version": "ed3525eda4c4983fb8509e488de0a351788041ba", "lessThan": "9d724b34fbe13b71865ad0906a4be97571f19cf5", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/ti/cpsw_new.c"], "versions": [{"version": "5.5", "status": "affected"}, {"version": "0", "lessThan": "5.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.260", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.93", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.5", "versionEndExcluding": "5.10.260"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.12.93"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/da8e1623a3028e1d8c75eec7898d94c6f17dce40"}, {"url": "https://git.kernel.org/stable/c/d31a12cee10bbc12b4b523a4709fd1fdee8b7d0f"}, {"url": "https://git.kernel.org/stable/c/23acc565186ee27e788408cbd81b92730b6aaa3a"}, {"url": "https://git.kernel.org/stable/c/67cca9df4d17f2c824655d31195b2e75334ae286"}, {"url": "https://git.kernel.org/stable/c/14645799ad5253a028cf662e2f9cd18a68f74b31"}, {"url": "https://git.kernel.org/stable/c/29739ec197ed66535bc0b86f14ab66c5f4512138"}, {"url": "https://git.kernel.org/stable/c/349c4cac6f54a81fc107589771f88136a2b20415"}, {"url": "https://git.kernel.org/stable/c/9d724b34fbe13b71865ad0906a4be97571f19cf5"}], "title": "net: cpsw_new: Fix potential unregister of netdev that has not been registered yet", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/ti/cpsw_new.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "da8e1623a3028e1d8c75eec7898d94c6f17dce40", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}, {"lessThan": "d31a12cee10bbc12b4b523a4709fd1fdee8b7d0f", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}, {"lessThan": "23acc565186ee27e788408cbd81b92730b6aaa3a", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}, {"lessThan": "67cca9df4d17f2c824655d31195b2e75334ae286", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}, {"lessThan": "14645799ad5253a028cf662e2f9cd18a68f74b31", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}, {"lessThan": "29739ec197ed66535bc0b86f14ab66c5f4512138", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}, {"lessThan": "349c4cac6f54a81fc107589771f88136a2b20415", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}, {"lessThan": "9d724b34fbe13b71865ad0906a4be97571f19cf5", "status": "affected", "version": "ed3525eda4c4983fb8509e488de0a351788041ba", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/ti/cpsw_new.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.5"}, {"lessThan": "5.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.260", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.210", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.176", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.143", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.93", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.16", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "59AFA620-05EF-48C6-B742-D356BCBE7D2F", "versionEndExcluding": "6.18.16", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cpsw_new: Fix potential unregister of netdev that has not been registered yet\n\nIf an error occurs during register_netdev() for the first MAC in\ncpsw_register_ports(), even though cpsw->slaves[0].ndev is set to NULL,\ncpsw->slaves[1].ndev would remain unchanged. This could later cause\ncpsw_unregister_ports() to attempt unregistering the second MAC.\nTo address this, add a check for ndev->reg_state before calling\nunregister_netdev(). With this change, setting cpsw->slaves[i].ndev\nto NULL becomes unnecessary and can be removed accordingly."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet: cpsw_new: Corrige el posible desregistro de netdev que a\u00fan no ha sido registrado\n\nSi ocurre un error durante register_netdev() para la primera MAC en cpsw_register_ports(), aunque cpsw -> slaves[0].ndev se establezca en NULL, cpsw -> slaves[1].ndev permanecer\u00eda sin cambios. Esto podr\u00eda causar m\u00e1s tarde que cpsw_unregister_ports() intente desregistrar la segunda MAC. Para abordar esto, a\u00f1ade una comprobaci\u00f3n para ndev -> reg_state antes de llamar a unregister_netdev(). Con este cambio, establecer cpsw -> slaves[i].ndev en NULL se vuelve innecesario y puede eliminarse en consecuencia."}], "id": "CVE-2026-43219", "lastModified": "2026-11-11T20:10:00.273", "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": "2026-05-06T12:16:41.543", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/14645799ad5253a028cf662e2f9cd18a68f74b31"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/23acc565186ee27e788408cbd81b92730b6aaa3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/29739ec197ed66535bc0b86f14ab66c5f4512138"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/349c4cac6f54a81fc107589771f88136a2b20415"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/67cca9df4d17f2c824655d31195b2e75334ae286"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d724b34fbe13b71865ad0906a4be97571f19cf5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d31a12cee10bbc12b4b523a4709fd1fdee8b7d0f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/da8e1623a3028e1d8c75eec7898d94c6f17dce40"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: cpsw_new: Fix potential unregister of netdev that has not been registered yet", "id": "2467125", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467125"}, "csaw": false, "cwe": "CWE-372", "details": ["A flaw was found in the Linux kernel's network component, `net: cpsw_new`. This vulnerability occurs when an error during the registration of a network device leads to an attempt to unregister a device that was not properly registered. This improper handling of network device states could result in system instability or a Denial of Service (DoS)."], "name": "CVE-2026-43219", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43219\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43219\nhttps://lore.kernel.org/linux-cve-announce/2026050652-CVE-2026-43219-5cde@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ed3525eda4c4983fb8509e488de0a351788041ba,29739ec197ed66535bc0b86f14ab66c5f4512138)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ed3525eda4c4983fb8509e488de0a351788041ba,349c4cac6f54a81fc107589771f88136a2b20415)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ed3525eda4c4983fb8509e488de0a351788041ba,9d724b34fbe13b71865ad0906a4be97571f19cf5)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.16,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.6,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-06T14:45:06.768177+00:00", "updated": "2026-05-12T21:45:05.392459+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}