{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-21788", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.766Z", "datePublished": "2025-02-27T02:18:27.336Z", "dateUpdated": "2025-10-01T19:36:39.866Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:21:15.604Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases\n\nIf the XDP program doesn't result in XDP_PASS then we leak the\nmemory allocated by am65_cpsw_build_skb().\n\nIt is pointless to allocate SKB memory before running the XDP\nprogram as we would be wasting CPU cycles for cases other than XDP_PASS.\nMove the SKB allocation after evaluating the XDP program result.\n\nThis fixes the memleak. A performance boost is seen for XDP_DROP test.\n\nXDP_DROP test:\nBefore: 460256 rx/s 0 err/s\nAfter: 784130 rx/s 0 err/s"}], "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/am65-cpsw-nuss.c"], "versions": [{"version": "8acacc40f7337527ff84cd901ed2ef0a2b95b2b6", "lessThan": "1bba1d042107167164a0ae3a843fdf650ab005d7", "status": "affected", "versionType": "git"}, {"version": "8acacc40f7337527ff84cd901ed2ef0a2b95b2b6", "lessThan": "dc11f049612b9d926aca2e55f8dc9d82850d0da3", "status": "affected", "versionType": "git"}, {"version": "8acacc40f7337527ff84cd901ed2ef0a2b95b2b6", "lessThan": "5db843258de1e4e6b1ef1cbd1797923c9e3de548", "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/am65-cpsw-nuss.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.16", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.4", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "6.10", "versionEndExcluding": "6.12.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.13.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1bba1d042107167164a0ae3a843fdf650ab005d7"}, {"url": "https://git.kernel.org/stable/c/dc11f049612b9d926aca2e55f8dc9d82850d0da3"}, {"url": "https://git.kernel.org/stable/c/5db843258de1e4e6b1ef1cbd1797923c9e3de548"}], "title": "net: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-21788", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T19:30:00.916275Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:36:39.866Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FB84018C-08CC-4578-B5A7-296AAE265678", "versionEndExcluding": "6.12.16", "versionStartIncluding": "6.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2A2093ED-74A9-43F9-AC72-50030F374EA4", "versionEndExcluding": "6.13.4", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "186716B6-2B66-4BD0-852E-D48E71C0C85F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D3E781C-403A-498F-9DA9-ECEE50F41E75", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases\n\nIf the XDP program doesn't result in XDP_PASS then we leak the\nmemory allocated by am65_cpsw_build_skb().\n\nIt is pointless to allocate SKB memory before running the XDP\nprogram as we would be wasting CPU cycles for cases other than XDP_PASS.\nMove the SKB allocation after evaluating the XDP program result.\n\nThis fixes the memleak. A performance boost is seen for XDP_DROP test.\n\nXDP_DROP test:\nBefore: 460256 rx/s 0 err/s\nAfter: 784130 rx/s 0 err/s"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ethernet: ti: am65-cpsw: corrige la fuga de memoria en ciertos casos de XDP Si el programa XDP no da como resultado XDP_PASS, filtramos la memoria asignada por am65_cpsw_build_skb(). No tiene sentido asignar memoria SKB antes de ejecutar el programa XDP, ya que estar\u00edamos desperdiciando ciclos de CPU para casos distintos a XDP_PASS. Mueva la asignaci\u00f3n de SKB despu\u00e9s de evaluar el resultado del programa XDP. Esto corrige la fuga de memoria. Se observa una mejora en el rendimiento de la prueba XDP_DROP. Prueba XDP_DROP: Antes: 460256 rx/s 0 err/s Despu\u00e9s: 784130 rx/s 0 err/s"}], "id": "CVE-2025-21788", "lastModified": "2025-10-01T20:18:25.547", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-02-27T03:15:19.663", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/1bba1d042107167164a0ae3a843fdf650ab005d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/5db843258de1e4e6b1ef1cbd1797923c9e3de548"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Mailing List", "Patch"], "url": "https://git.kernel.org/stable/c/dc11f049612b9d926aca2e55f8dc9d82850d0da3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: net: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases", "id": "2348611", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348611"}, "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"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases\nIf the XDP program doesn't result in XDP_PASS then we leak the\nmemory allocated by am65_cpsw_build_skb().\nIt is pointless to allocate SKB memory before running the XDP\nprogram as we would be wasting CPU cycles for cases other than XDP_PASS.\nMove the SKB allocation after evaluating the XDP program result.\nThis fixes the memleak. A performance boost is seen for XDP_DROP test.\nXDP_DROP test:\nBefore: 460256 rx/s 0 err/s\nAfter: 784130 rx/s 0 err/s"], "name": "CVE-2025-21788", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "2025-02-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21788\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21788\nhttps://lore.kernel.org/linux-cve-announce/2025022609-CVE-2025-21788-2619@gregkh/T"], "threat_severity": "Moderate"}

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