CVE-2024-53232

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This is exactly the case referred to in\nthe second comment in __iommu_device_set_domain() and just as stated\nthere if we can instead attach the blocking domain the UAF is prevented\nas this can handle the already removed device. Implement the blocking\ndomain to use this handling. With this change, the crash is fixed but\nwe still hit a warning attempting to change DMA ownership on a blocked\ndevice."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable path is reached through local kernel interfaces \u2014 VFIO container/device release (`iommu_group_release_dma_owner`, `iommu_detach_group`) and the PCI device-removal path on an s390 host \u2014 with no network or physical-bus interaction required; s390 zPCI \"unplug\" is a firmware/hypervisor event, not a physical port operation.\nAC:L - Once the zPCI function is unavailable or in error state, `zpci_register_ioat()` fails deterministically and the attach error path is taken every time, leaving `zdev->s390_domain == NULL` and `group->domain` dangling; no race window or uncontrollable memory layout is needed.\nPR:L - In the realistic s390 passthrough deployment the attacker is the unprivileged VFIO/QEMU process holding `/dev/vfio/N`, which can drive the passed-through function into an error/reset state and then release the group, hitting the failing-attach path without any capability in the init namespace.\nUI:N - The whole sequence \u2014 device error/reset followed by DMA-ownership release or device teardown \u2014 is driven by the attacker's own file-descriptor operations; no administrator or victim action is required.\nS:U - The failing attach leaves DMA unregistered (`zpci_unregister_ioat()` already ran, `dma_table = NULL`), so no IOMMU/DMA boundary is bypassed; the corruption and crash are confined to the host kernel's own security authority.\nC:H - `group->domain` is left pointing at a domain the caller immediately frees, and later `__iommu_device_set_domain()`/`iommu_domain_free()` operate on it, giving a use-after-free on a slab object whose contents an attacker can groom and read back.\nI:H - The same dangling `struct iommu_domain` is written through on subsequent attach/free operations (list manipulation, `domain->ops` indirect calls), so heap spraying the freed object yields a write and control-flow-hijack primitive.\nA:H - `s390_iommu_release_device()` dereferences the NULL `zdev->s390_domain` in `spin_lock_irqsave(&s390_domain->list_lock)`, causing an immediate kernel panic, and the accompanying use-after-free crashes the host even when not weaponized."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/include/asm/pci.h", "arch/s390/pci/pci.c", "arch/s390/pci/pci_debug.c", "drivers/iommu/s390-iommu.c"], "versions": [{"version": "c76c067e488ccd55734c3e750799caf2c5956db6", "lessThan": "3be34fa1cdbf180c1a948cfededfdf2cdc497199", "status": "affected", "versionType": "git"}, {"version": "c76c067e488ccd55734c3e750799caf2c5956db6", "lessThan": "bd89d94f3ea6fdaee983cbc69226a00b9bde6d59", "status": "affected", "versionType": "git"}, {"version": "c76c067e488ccd55734c3e750799caf2c5956db6", "lessThan": "ecda483339a5151e3ca30d6b82691ef6f1d17912", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/include/asm/pci.h", "arch/s390/pci/pci.c", "arch/s390/pci/pci_debug.c", "drivers/iommu/s390-iommu.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.11", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "6.7", "versionEndExcluding": "6.11.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.12.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3be34fa1cdbf180c1a948cfededfdf2cdc497199"}, {"url": "https://git.kernel.org/stable/c/bd89d94f3ea6fdaee983cbc69226a00b9bde6d59"}, {"url": "https://git.kernel.org/stable/c/ecda483339a5151e3ca30d6b82691ef6f1d17912"}], "title": "iommu/s390: Implement blocking domain", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-53232", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-10T17:12:56.688366Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-10T17:21:08.938Z"}}]}}

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This crash\nhappens because during hot-unplug __iommu_group_set_domain_nofail()\nattaching the default domain fails when the platform no longer\nrecognizes the device as it has already been removed and we end up with\na NULL domain pointer and UAF. This is exactly the case referred to in\nthe second comment in __iommu_device_set_domain() and just as stated\nthere if we can instead attach the blocking domain the UAF is prevented\nas this can handle the already removed device. Implement the blocking\ndomain to use this handling. With this change, the crash is fixed but\nwe still hit a warning attempting to change DMA ownership on a blocked\ndevice."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommu/s390: Implementar dominio de bloqueo Esto corrige un fallo al desconectar en caliente por sorpresa un dispositivo PCI. Este fallo ocurre porque durante la desconexi\u00f3n en caliente __iommu_group_set_domain_nofail() la conexi\u00f3n del dominio predeterminado falla cuando la plataforma ya no reconoce el dispositivo porque ya se ha eliminado y terminamos con un puntero de dominio NULL y UAF. Este es exactamente el caso al que se hace referencia en el segundo comentario en __iommu_device_set_domain() y tal como se indica all\u00ed, si en su lugar podemos conectar el dominio de bloqueo, se evita el UAF ya que puede gestionar el dispositivo ya eliminado. Implemente el dominio de bloqueo para usar esta gesti\u00f3n. Con este cambio, el fallo se corrige, pero a\u00fan encontramos una advertencia al intentar cambiar la propiedad de DMA en un dispositivo bloqueado."}], "id": "CVE-2024-53232", "lastModified": "2026-06-17T08:08:39.560", "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": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-53232", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-02-10T17:12:56.688366Z", "version": "2.0.3"}}]}, "published": "2024-12-27T14:15:31.510", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3be34fa1cdbf180c1a948cfededfdf2cdc497199"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bd89d94f3ea6fdaee983cbc69226a00b9bde6d59"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ecda483339a5151e3ca30d6b82691ef6f1d17912"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}, {"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"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: iommu/s390: Implement blocking domain", "id": "2334410", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334410"}, "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": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niommu/s390: Implement blocking domain\nThis fixes a crash when surprise hot-unplugging a PCI device. This crash\nhappens because during hot-unplug __iommu_group_set_domain_nofail()\nattaching the default domain fails when the platform no longer\nrecognizes the device as it has already been removed and we end up with\na NULL domain pointer and UAF. This is exactly the case referred to in\nthe second comment in __iommu_device_set_domain() and just as stated\nthere if we can instead attach the blocking domain the UAF is prevented\nas this can handle the already removed device. Implement the blocking\ndomain to use this handling. With this change, the crash is fixed but\nwe still hit a warning attempting to change DMA ownership on a blocked\ndevice."], "name": "CVE-2024-53232", "package_state": [{"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": "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": "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": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53232\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53232\nhttps://lore.kernel.org/linux-cve-announce/2024122737-CVE-2024-53232-6919@gregkh/T"], "threat_severity": "Moderate"}

{}