CVE-2025-68737 (GCVE-0-2025-68737)

Vulnerability from cvelistv5 – Published: 2025-12-24 12:09 – Updated: 2026-05-11 21:52
VLAI
Title
arm64/pageattr: Propagate return value from __change_memory_common
Summary
In the Linux kernel, the following vulnerability has been resolved: arm64/pageattr: Propagate return value from __change_memory_common The rodata=on security measure requires that any code path which does vmalloc -> set_memory_ro/set_memory_rox must protect the linear map alias too. Therefore, if such a call fails, we must abort set_memory_* and caller must take appropriate action; currently we are suppressing the error, and there is a real chance of such an error arising post commit a166563e7ec3 ("arm64: mm: support large block mapping when rodata=full"). Therefore, propagate any error to the caller.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7018 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8 , < 3e2fc1e57a5361633a4bf4222640c6bfe41ff8ea (git)
Affected: a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8 , < e5efd56fa157d2e7d789949d1d64eccbac18a897 (git)
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Linux Linux Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 6.18.2 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/arm64/mm/pageattr.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
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              "lessThan": "e5efd56fa157d2e7d789949d1d64eccbac18a897",
              "status": "affected",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
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              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
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            {
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.2",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64/pageattr: Propagate return value from __change_memory_common\n\nThe rodata=on security measure requires that any code path which does\nvmalloc -\u003e set_memory_ro/set_memory_rox must protect the linear map alias\ntoo. Therefore, if such a call fails, we must abort set_memory_* and caller\nmust take appropriate action; currently we are suppressing the error, and\nthere is a real chance of such an error arising post commit a166563e7ec3\n(\"arm64: mm: support large block mapping when rodata=full\"). Therefore,\npropagate any error to the caller."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:52:22.300Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3e2fc1e57a5361633a4bf4222640c6bfe41ff8ea"
        },
        {
          "url": "https://git.kernel.org/stable/c/e5efd56fa157d2e7d789949d1d64eccbac18a897"
        }
      ],
      "title": "arm64/pageattr: Propagate return value from __change_memory_common",
      "x_generator": {
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68737",
    "datePublished": "2025-12-24T12:09:35.773Z",
    "dateReserved": "2025-12-24T10:30:51.029Z",
    "dateUpdated": "2026-05-11T21:52:22.300Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-11-01",
      "epss": "0.00174",
      "percentile": "0.06798"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
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                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "arch/arm64/mm/pageattr.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "3e2fc1e57a5361633a4bf4222640c6bfe41ff8ea",
                    "status": "affected",
                    "version": "a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "e5efd56fa157d2e7d789949d1d64eccbac18a897",
                    "status": "affected",
                    "version": "a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "arch/arm64/mm/pageattr.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.18"
                  },
                  {
                    "lessThan": "6.18",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.18.*",
                    "status": "unaffected",
                    "version": "6.18.2",
                    "versionType": "semver"
                  },
                  {
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                    "status": "unaffected",
                    "version": "6.19",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64/pageattr: Propagate return value from __change_memory_common\n\nThe rodata=on security measure requires that any code path which does\nvmalloc -\u003e set_memory_ro/set_memory_rox must protect the linear map alias\ntoo. Therefore, if such a call fails, we must abort set_memory_* and caller\nmust take appropriate action; currently we are suppressing the error, and\nthere is a real chance of such an error arising post commit a166563e7ec3\n(\"arm64: mm: support large block mapping when rodata=full\"). Therefore,\npropagate any error to the caller."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\narm64/pageattr: Propagar valor de retorno de __change_memory_common\n\nLa medida de seguridad rodata=on requiere que cualquier ruta de c\u00f3digo que realiza vmalloc  -\u003e  set_memory_ro/set_memory_rox debe proteger tambi\u00e9n el alias del mapa lineal. Por lo tanto, si dicha llamada falla, debemos abortar set_memory_* y el llamador debe tomar las medidas adecuadas; actualmente estamos suprimiendo el error, y existe una posibilidad real de que tal error surja despu\u00e9s del commit a166563e7ec3 (\u0027arm64: mm: soporte de mapeo de bloques grandes cuando rodata=full\u0027). Por lo tanto, propagar cualquier error al llamador."
          }
        ],
        "id": "CVE-2025-68737",
        "lastModified": "2026-10-13T10:10:00.193",
        "metrics": {},
        "published": "2025-12-24T13:16:28.653",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/3e2fc1e57a5361633a4bf4222640c6bfe41ff8ea"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/e5efd56fa157d2e7d789949d1d64eccbac18a897"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:14:04+00:00",
      "cve": "CVE-2025-68737",
      "id": "CVE-2025-68737",
      "initial_release_date": "2025-12-24T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: arm64/pageattr: Propagate return value from __change_memory_common",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68737.json",
      "version": "3"
    }
  }
}



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