CVE-2025-21802

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Because in the\nprocess flow of pci_disable_sriov(), it will trigger the remove flow\nof VF, which will also take hnae3_common_lock.\n\nTo fixes it, introduce a new mutex to protect the unload process."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/hisilicon/hns3/hnae3.c", "drivers/net/ethernet/hisilicon/hns3/hnae3.h", "drivers/net/ethernet/hisilicon/hns3/hns3_enet.c", "drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c", "drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c"], "versions": [{"version": "d36b15e3e7b5937cb1f6ac590a85facc3a320642", "lessThan": "622d92a67656e5c4d2d6ccac02d688ed995418c6", "status": "affected", "versionType": "git"}, {"version": "0dd8a25f355b4df2d41c08df1716340854c7d4c5", "lessThan": "8c640dd3d900cc8988a39c007591f1deee776df4", "status": "affected", "versionType": "git"}, {"version": "0dd8a25f355b4df2d41c08df1716340854c7d4c5", "lessThan": "e876522659012ef2e73834a0b9f1cbe3f74d5fad", "status": "affected", "versionType": "git"}, {"version": "0dd8a25f355b4df2d41c08df1716340854c7d4c5", "lessThan": "b5a8bc47aa0a4aa8bca5466dfa2d12dbb5b3cd0c", "status": "affected", "versionType": "git"}, {"version": "0dd8a25f355b4df2d41c08df1716340854c7d4c5", "lessThan": "82736bb83fb0221319c85c2e9917d0189cd84e1e", "status": "affected", "versionType": "git"}, {"version": "0dd8a25f355b4df2d41c08df1716340854c7d4c5", "lessThan": "cafe9a27e22736d4a01b3933e36225f9857c7988", "status": "affected", "versionType": "git"}, {"version": "0dd8a25f355b4df2d41c08df1716340854c7d4c5", "lessThan": "92e5995773774a3e70257e9c95ea03518268bea5", "status": "affected", "versionType": "git"}, {"version": "b06ad258e01389ca3ff13bc180f3fcd6a608f1cd", "status": "affected", "versionType": "git"}, {"version": "c4b64011e458aa2b246cd4e42012cfd83d2d9a5c", "status": "affected", "versionType": "git"}, {"version": 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Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:59:43.044Z"}}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-11-10T12:35:09.730Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)", "versions": [{"status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC 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"matchCriteriaId": "40D9C0D1-0F32-4A2B-9840-1072F5497540", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:*", "matchCriteriaId": "948A6B8D-1B72-4945-8680-354E53BE1C80", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix oops when unload drivers paralleling\n\nWhen unload hclge driver, it tries to disable sriov first for each\nae_dev node from hnae3_ae_dev_list. If user unloads hns3 driver at\nthe time, because it removes all the ae_dev nodes, and it may cause\noops.\n\nBut we can't simply use hnae3_common_lock for this. Because in the\nprocess flow of pci_disable_sriov(), it will trigger the remove flow\nof VF, which will also take hnae3_common_lock.\n\nTo fixes it, introduce a new mutex to protect the unload process."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: hns3: se corrige el error al descargar controladores en paralelo. Al descargar el controlador hclge, primero intenta deshabilitar sriov para cada nodo ae_dev de hnae3_ae_dev_list. Si el usuario descarga el controlador hns3 en ese momento, debido a que elimina todos los nodos ae_dev, y puede causar errores. Pero no podemos simplemente usar hnae3_common_lock para esto. Porque en el flujo de proceso de pci_disable_sriov(), activar\u00e1 el flujo de eliminaci\u00f3n de VF, que tambi\u00e9n tomar\u00e1 hnae3_common_lock. Para solucionarlo, introduzca un nuevo mutex para proteger el proceso de descarga."}], "id": "CVE-2025-21802", "lastModified": "2026-11-10T13:17:36.370", "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": "2025-02-27T20:16:02.847", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/622d92a67656e5c4d2d6ccac02d688ed995418c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/82736bb83fb0221319c85c2e9917d0189cd84e1e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c640dd3d900cc8988a39c007591f1deee776df4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92e5995773774a3e70257e9c95ea03518268bea5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b5a8bc47aa0a4aa8bca5466dfa2d12dbb5b3cd0c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cafe9a27e22736d4a01b3933e36225f9857c7988"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e876522659012ef2e73834a0b9f1cbe3f74d5fad"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}], "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: hns3: fix oops when unload drivers paralleling", "id": "2348905", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348905"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-413", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: hns3: fix oops when unload drivers paralleling\nWhen unload hclge driver, it tries to disable sriov first for each\nae_dev node from hnae3_ae_dev_list. If user unloads hns3 driver at\nthe time, because it removes all the ae_dev nodes, and it may cause\noops.\nBut we can't simply use hnae3_common_lock for this. Because in the\nprocess flow of pci_disable_sriov(), it will trigger the remove flow\nof VF, which will also take hnae3_common_lock.\nTo fixes it, introduce a new mutex to protect the unload process."], "name": "CVE-2025-21802", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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-2025-21802\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21802\nhttps://lore.kernel.org/linux-cve-announce/2025022752-CVE-2025-21802-0cc5@gregkh/T"], "threat_severity": "Low"}

{}