CVE-2024-26705
Vulnerability from cvelistv5
Published
2024-04-03 14:55
Modified
2024-11-05 09:14
Severity ?
Summary
parisc: BTLB: Fix crash when setting up BTLB at CPU bringup
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/54944f45470af5965fb9c28cf962ec30f38a8f5b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/913b9d443a0180cf0de3548f1ab3149378998486
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aa52be55276614d33f22fbe7da36c40d6432d10b
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-26705",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-03T17:48:41.158959Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:48:58.261Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T00:14:12.680Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/54944f45470af5965fb9c28cf962ec30f38a8f5b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/aa52be55276614d33f22fbe7da36c40d6432d10b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/913b9d443a0180cf0de3548f1ab3149378998486"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/parisc/kernel/cache.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "54944f45470a",
              "status": "affected",
              "version": "e5ef93d02d6c",
              "versionType": "git"
            },
            {
              "lessThan": "aa52be552766",
              "status": "affected",
              "version": "e5ef93d02d6c",
              "versionType": "git"
            },
            {
              "lessThan": "913b9d443a01",
              "status": "affected",
              "version": "e5ef93d02d6c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/parisc/kernel/cache.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.18",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.8",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nparisc: BTLB: Fix crash when setting up BTLB at CPU bringup\n\nWhen using hotplug and bringing up a 32-bit CPU, ask the firmware about the\nBTLB information to set up the static (block) TLB entries.\n\nFor that write access to the static btlb_info struct is needed, but\nsince it is marked __ro_after_init the kernel segfaults with missing\nwrite permissions.\n\nFix the crash by dropping the __ro_after_init annotation."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:14:13.211Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/54944f45470af5965fb9c28cf962ec30f38a8f5b"
        },
        {
          "url": "https://git.kernel.org/stable/c/aa52be55276614d33f22fbe7da36c40d6432d10b"
        },
        {
          "url": "https://git.kernel.org/stable/c/913b9d443a0180cf0de3548f1ab3149378998486"
        }
      ],
      "title": "parisc: BTLB: Fix crash when setting up BTLB at CPU bringup",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26705",
    "datePublished": "2024-04-03T14:55:08.733Z",
    "dateReserved": "2024-02-19T14:20:24.158Z",
    "dateUpdated": "2024-11-05T09:14:13.211Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26705\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T15:15:53.243\",\"lastModified\":\"2024-04-03T17:24:18.150\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nparisc: BTLB: Fix crash when setting up BTLB at CPU bringup\\n\\nWhen using hotplug and bringing up a 32-bit CPU, ask the firmware about the\\nBTLB information to set up the static (block) TLB entries.\\n\\nFor that write access to the static btlb_info struct is needed, but\\nsince it is marked __ro_after_init the kernel segfaults with missing\\nwrite permissions.\\n\\nFix the crash by dropping the __ro_after_init annotation.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: parisc: BTLB: soluciona el problema al configurar BTLB al iniciar la CPU. Al usar hotplug y activar una CPU de 32 bits, solicite al firmware la informaci\u00f3n de BTLB para configurar la est\u00e1tica ( bloque) Entradas TLB. Para eso se necesita acceso de escritura a la estructura est\u00e1tica btlb_info, pero como est\u00e1 marcada como __ro_after_init, el kernel falla por defecto y faltan permisos de escritura. Solucione el problema eliminando la anotaci\u00f3n __ro_after_init.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/54944f45470af5965fb9c28cf962ec30f38a8f5b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/913b9d443a0180cf0de3548f1ab3149378998486\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aa52be55276614d33f22fbe7da36c40d6432d10b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.