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Since iommu probing issue\nfix, it leads to NULL pointer dereference in mtk_iommu_device_group when\nhw_list is accessed with list_first_entry (not null safe).\n\nSo, change the call order to ensure iommu_device_register is called\nafter the driver data are initialized."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/mtk_iommu.c"], "versions": [{"version": "9e3a2a64365318a743e3c0b028952d2cdbaf2b0c", "lessThan": "2f75cb27bef43c8692b0f5e471e5632f6a9beb99", "status": "affected", "versionType": "git"}, {"version": "9e3a2a64365318a743e3c0b028952d2cdbaf2b0c", "lessThan": "6abd09bed43b8d83d461e0fb5b9a200a06aa8a27", "status": "affected", "versionType": "git"}, {"version": "9e3a2a64365318a743e3c0b028952d2cdbaf2b0c", "lessThan": "a0842539e8ef9386c070156103aff888e558a60c", "status": "affected", "versionType": "git"}, {"version": "9e3a2a64365318a743e3c0b028952d2cdbaf2b0c", "lessThan": "ce7d3b2f6f393fa35f0ea12861b83a1ca28b295c", "status": "affected", "versionType": "git"}, {"version": "9e3a2a64365318a743e3c0b028952d2cdbaf2b0c", "lessThan": "69f9d2d37d1207c5a73dac52a4ce1361ead707f5", "status": "affected", "versionType": "git"}, {"version": "9e3a2a64365318a743e3c0b028952d2cdbaf2b0c", "lessThan": "38e8844005e6068f336a3ad45451a562a0040ca1", "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/iommu/mtk_iommu.c"], "versions": [{"version": "5.19", "status": "affected"}, {"version": "0", "lessThan": "5.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.135", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.88", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.24", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.12", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.3", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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": "5.19", "versionEndExcluding": "6.1.135"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.6.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.12.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.13.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.14.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2f75cb27bef43c8692b0f5e471e5632f6a9beb99"}, {"url": "https://git.kernel.org/stable/c/6abd09bed43b8d83d461e0fb5b9a200a06aa8a27"}, {"url": "https://git.kernel.org/stable/c/a0842539e8ef9386c070156103aff888e558a60c"}, {"url": "https://git.kernel.org/stable/c/ce7d3b2f6f393fa35f0ea12861b83a1ca28b295c"}, {"url": "https://git.kernel.org/stable/c/69f9d2d37d1207c5a73dac52a4ce1361ead707f5"}, {"url": "https://git.kernel.org/stable/c/38e8844005e6068f336a3ad45451a562a0040ca1"}], "title": "iommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:54:22.042Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "49FD5240-16B2-476D-9D18-E8980164010B", "versionEndExcluding": "6.1.135", "versionStartIncluding": "5.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E5947E5-45E3-462A-829B-382B3B1C61BD", "versionEndExcluding": "6.6.88", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1D35A8A8-F3EC-45E6-AD37-1F154B27529D", "versionEndExcluding": "6.12.24", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4A475784-BF3B-4514-81EE-49C8522FB24A", "versionEndExcluding": "6.13.12", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "483E2E15-2135-4EC6-AB64-16282C5EF704", "versionEndExcluding": "6.14.3", "versionStartIncluding": "6.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*", "matchCriteriaId": "8D465631-2980-487A-8E65-40AE2B9F8ED1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group\n\nCurrently, mtk_iommu calls during probe iommu_device_register before\nthe hw_list from driver data is initialized. Since iommu probing issue\nfix, it leads to NULL pointer dereference in mtk_iommu_device_group when\nhw_list is accessed with list_first_entry (not null safe).\n\nSo, change the call order to ensure iommu_device_register is called\nafter the driver data are initialized."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommu/mediatek: Se ha corregido la deferencia de puntero nulo en mtk_iommu_device_group. Actualmente, mtk_iommu invoca durante el sondeo de iommu_device_register antes de que se inicialice hw_list de los datos del controlador. Desde la correcci\u00f3n del problema de sondeo de iommu, este provoca la desreferencia de puntero nulo en mtk_iommu_device_group cuando se accede a hw_list con list_first_entry (no es seguro para nulos). Por lo tanto, se debe modificar el orden de las llamadas para garantizar que iommu_device_register se invoque despu\u00e9s de inicializar los datos del controlador."}], "id": "CVE-2025-37748", "lastModified": "2025-11-04T18:07:02.553", "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": "2025-05-01T13:15:53.523", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f75cb27bef43c8692b0f5e471e5632f6a9beb99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38e8844005e6068f336a3ad45451a562a0040ca1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/69f9d2d37d1207c5a73dac52a4ce1361ead707f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6abd09bed43b8d83d461e0fb5b9a200a06aa8a27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a0842539e8ef9386c070156103aff888e558a60c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce7d3b2f6f393fa35f0ea12861b83a1ca28b295c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: iommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group", "id": "2363298", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363298"}, "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:\niommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group\nCurrently, mtk_iommu calls during probe iommu_device_register before\nthe hw_list from driver data is initialized. Since iommu probing issue\nfix, it leads to NULL pointer dereference in mtk_iommu_device_group when\nhw_list is accessed with list_first_entry (not null safe).\nSo, change the call order to ensure iommu_device_register is called\nafter the driver data are initialized."], "name": "CVE-2025-37748", "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37748\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37748\nhttps://lore.kernel.org/linux-cve-announce/2025050136-CVE-2025-37748-56c8@gregkh/T"], "threat_severity": "Moderate"}

{}