CVE-2025-38158 (GCVE-0-2025-38158)
Vulnerability from cvelistv5
Published
2025-07-03 08:36
Modified
2025-07-28 04:13
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: hisi_acc_vfio_pci: fix XQE dma address error The dma addresses of EQE and AEQE are wrong after migration and results in guest kernel-mode encryption services failure. Comparing the definition of hardware registers, we found that there was an error when the data read from the register was combined into an address. Therefore, the address combination sequence needs to be corrected. Even after fixing the above problem, we still have an issue where the Guest from an old kernel can get migrated to new kernel and may result in wrong data. In order to ensure that the address is correct after migration, if an old magic number is detected, the dma address needs to be updated.
References
Impacted products
Vendor Product Version
Linux Linux Version: b0eed085903e7758532696d64397901a75bba8ba
Version: b0eed085903e7758532696d64397901a75bba8ba
Version: b0eed085903e7758532696d64397901a75bba8ba
Version: b0eed085903e7758532696d64397901a75bba8ba
Version: b0eed085903e7758532696d64397901a75bba8ba
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c",
            "drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c",
            "drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.18"
            },
            {
              "lessThan": "5.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.142",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.94",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.142",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.94",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.12.34",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.3",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhisi_acc_vfio_pci: fix XQE dma address error\n\nThe dma addresses of EQE and AEQE are wrong after migration and\nresults in guest kernel-mode encryption services  failure.\nComparing the definition of hardware registers, we found that\nthere was an error when the data read from the register was\ncombined into an address. Therefore, the address combination\nsequence needs to be corrected.\n\nEven after fixing the above problem, we still have an issue\nwhere the Guest from an old kernel can get migrated to\nnew kernel and may result in wrong data.\n\nIn order to ensure that the address is correct after migration,\nif an old magic number is detected, the dma address needs to be\nupdated."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:13:49.556Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/809a9c10274e1bcf6d05f1c0341459a425a4f05f"
        },
        {
          "url": "https://git.kernel.org/stable/c/f0423873e7aeb69cb68f4e8fa3827832e7b037ba"
        },
        {
          "url": "https://git.kernel.org/stable/c/884a76e813178778d271fea59783763d32bb7e72"
        },
        {
          "url": "https://git.kernel.org/stable/c/7710c883eb8cb5cf510ca47ec0e26c6cb7e94a4f"
        },
        {
          "url": "https://git.kernel.org/stable/c/8bb7170c5a055ea17c6857c256ee73c10ff872eb"
        }
      ],
      "title": "hisi_acc_vfio_pci: fix XQE dma address error",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38158",
    "datePublished": "2025-07-03T08:36:00.776Z",
    "dateReserved": "2025-04-16T04:51:23.990Z",
    "dateUpdated": "2025-07-28T04:13:49.556Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38158\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-03T09:15:30.890\",\"lastModified\":\"2025-07-03T15:13:53.147\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nhisi_acc_vfio_pci: fix XQE dma address error\\n\\nThe dma addresses of EQE and AEQE are wrong after migration and\\nresults in guest kernel-mode encryption services  failure.\\nComparing the definition of hardware registers, we found that\\nthere was an error when the data read from the register was\\ncombined into an address. Therefore, the address combination\\nsequence needs to be corrected.\\n\\nEven after fixing the above problem, we still have an issue\\nwhere the Guest from an old kernel can get migrated to\\nnew kernel and may result in wrong data.\\n\\nIn order to ensure that the address is correct after migration,\\nif an old magic number is detected, the dma address needs to be\\nupdated.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: hisi_acc_vfio_pci: correcci\u00f3n del error de direcci\u00f3n dma de XQE Las direcciones dma de EQE y AEQE son incorrectas despu\u00e9s de la migraci\u00f3n, lo que provoca un fallo en los servicios de cifrado en modo kernel del invitado. Al comparar la definici\u00f3n de los registros de hardware, descubrimos que se produc\u00eda un error al combinar los datos le\u00eddos del registro en una direcci\u00f3n. Por lo tanto, es necesario corregir la secuencia de combinaci\u00f3n de direcciones. Incluso tras corregir el problema anterior, sigue existiendo un problema en el que el invitado de un kernel antiguo puede migrarse al nuevo, lo que puede generar datos err\u00f3neos. Para garantizar que la direcci\u00f3n sea correcta despu\u00e9s de la migraci\u00f3n, si se detecta un n\u00famero m\u00e1gico antiguo, es necesario actualizar la direcci\u00f3n dma.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7710c883eb8cb5cf510ca47ec0e26c6cb7e94a4f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/809a9c10274e1bcf6d05f1c0341459a425a4f05f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/884a76e813178778d271fea59783763d32bb7e72\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8bb7170c5a055ea17c6857c256ee73c10ff872eb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f0423873e7aeb69cb68f4e8fa3827832e7b037ba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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