cve-2024-38543
Vulnerability from cvelistv5
Published
2024-06-19 13:35
Modified
2024-09-11 17:34
Severity
Summary
lib/test_hmm.c: handle src_pfns and dst_pfns allocation failure
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T04:12:25.183Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/1a21fdeea502658e315bd939409b755974f4fb64"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/65e528a69cb3ed4a286c45b4afba57461c8b5b33"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/ce47e8ead9a72834cc68431d53f8092ce69bebb7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/3b20d18f475bd17309db640dbe7d7c7ebb5bc2bc"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/c2af060d1c18beaec56351cf9c9bcbbc5af341a3"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-38543",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T17:15:10.301202Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:34:58.014Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "lib/test_hmm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1a21fdeea502",
              "status": "affected",
              "version": "b2ef9f5a5cb3",
              "versionType": "git"
            },
            {
              "lessThan": "65e528a69cb3",
              "status": "affected",
              "version": "b2ef9f5a5cb3",
              "versionType": "git"
            },
            {
              "lessThan": "ce47e8ead9a7",
              "status": "affected",
              "version": "b2ef9f5a5cb3",
              "versionType": "git"
            },
            {
              "lessThan": "3b20d18f475b",
              "status": "affected",
              "version": "b2ef9f5a5cb3",
              "versionType": "git"
            },
            {
              "lessThan": "c2af060d1c18",
              "status": "affected",
              "version": "b2ef9f5a5cb3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "lib/test_hmm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.8"
            },
            {
              "lessThan": "5.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.93",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.33",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.12",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlib/test_hmm.c: handle src_pfns and dst_pfns allocation failure\n\nThe kcalloc() in dmirror_device_evict_chunk() will return null if the\nphysical memory has run out.  As a result, if src_pfns or dst_pfns is\ndereferenced, the null pointer dereference bug will happen.\n\nMoreover, the device is going away.  If the kcalloc() fails, the pages\nmapping a chunk could not be evicted.  So add a __GFP_NOFAIL flag in\nkcalloc().\n\nFinally, as there is no need to have physically contiguous memory, Switch\nkcalloc() to kvcalloc() in order to avoid failing allocations."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-15T06:47:44.748Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1a21fdeea502658e315bd939409b755974f4fb64"
        },
        {
          "url": "https://git.kernel.org/stable/c/65e528a69cb3ed4a286c45b4afba57461c8b5b33"
        },
        {
          "url": "https://git.kernel.org/stable/c/ce47e8ead9a72834cc68431d53f8092ce69bebb7"
        },
        {
          "url": "https://git.kernel.org/stable/c/3b20d18f475bd17309db640dbe7d7c7ebb5bc2bc"
        },
        {
          "url": "https://git.kernel.org/stable/c/c2af060d1c18beaec56351cf9c9bcbbc5af341a3"
        }
      ],
      "title": "lib/test_hmm.c: handle src_pfns and dst_pfns allocation failure",
      "x_generator": {
        "engine": "bippy-c9c4e1df01b2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-38543",
    "datePublished": "2024-06-19T13:35:17.994Z",
    "dateReserved": "2024-06-18T19:36:34.919Z",
    "dateUpdated": "2024-09-11T17:34:58.014Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-38543\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T14:15:14.587\",\"lastModified\":\"2024-08-29T02:24:30.617\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nlib/test_hmm.c: handle src_pfns and dst_pfns allocation failure\\n\\nThe kcalloc() in dmirror_device_evict_chunk() will return null if the\\nphysical memory has run out.  As a result, if src_pfns or dst_pfns is\\ndereferenced, the null pointer dereference bug will happen.\\n\\nMoreover, the device is going away.  If the kcalloc() fails, the pages\\nmapping a chunk could not be evicted.  So add a __GFP_NOFAIL flag in\\nkcalloc().\\n\\nFinally, as there is no need to have physically contiguous memory, Switch\\nkcalloc() to kvcalloc() in order to avoid failing allocations.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: lib/test_hmm.c: maneja el error de asignaci\u00f3n de src_pfns y dst_pfns El kcalloc() en dmirror_device_evict_chunk() devolver\u00e1 nulo si la memoria f\u00edsica se ha agotado. Como resultado, si se desreferencia src_pfns o dst_pfns, se producir\u00e1 el error de desreferencia del puntero nulo. Adem\u00e1s, el dispositivo va a desaparecer. Si kcalloc() falla, las p\u00e1ginas que asignan un fragmento no podr\u00e1n ser desalojadas. Entonces agregue una bandera __GFP_NOFAIL en kcalloc(). Finalmente, como no es necesario tener memoria f\u00edsicamente contigua, cambie kcalloc() a kvcalloc() para evitar asignaciones fallidas.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.8\",\"versionEndExcluding\":\"6.1.93\",\"matchCriteriaId\":\"0E45DB65-3DD8-4BD3-981F-8388D2510657\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.33\",\"matchCriteriaId\":\"FCE796DF-3B50-4DC6-BAE5-95271068FC9E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.8.12\",\"matchCriteriaId\":\"80550309-67AB-4FD1-AC07-3DED5C4F01B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.9\",\"versionEndExcluding\":\"6.9.3\",\"matchCriteriaId\":\"E07124C1-19E8-4D21-828D-9932A01D3011\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1a21fdeea502658e315bd939409b755974f4fb64\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3b20d18f475bd17309db640dbe7d7c7ebb5bc2bc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/65e528a69cb3ed4a286c45b4afba57461c8b5b33\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c2af060d1c18beaec56351cf9c9bcbbc5af341a3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ce47e8ead9a72834cc68431d53f8092ce69bebb7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...