cve-2022-48648
Vulnerability from cvelistv5
Published
2024-04-28 13:00
Modified
2024-11-04 12:13
Severity ?
Summary
sfc: fix null pointer dereference in efx_hard_start_xmit
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0a242eb2913a4aa3d6fbdb86559f27628e9466f3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8547c7bfc0617e7184e4da65b9b96681fcfe9998
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b3b41d4d95d3822b2e459ecbc80d030ea6aec5e7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b3b952168ee1f220ba729fa100fd9d5aa752eb03
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-48648",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-17T17:40:59.005173Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-17T17:47:10.891Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:17:55.597Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b3b41d4d95d3822b2e459ecbc80d030ea6aec5e7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/8547c7bfc0617e7184e4da65b9b96681fcfe9998"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b3b952168ee1f220ba729fa100fd9d5aa752eb03"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/0a242eb2913a4aa3d6fbdb86559f27628e9466f3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/sfc/tx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b3b41d4d95d3",
              "status": "affected",
              "version": "12804793b17c",
              "versionType": "git"
            },
            {
              "lessThan": "8547c7bfc061",
              "status": "affected",
              "version": "12804793b17c",
              "versionType": "git"
            },
            {
              "lessThan": "b3b952168ee1",
              "status": "affected",
              "version": "12804793b17c",
              "versionType": "git"
            },
            {
              "lessThan": "0a242eb2913a",
              "status": "affected",
              "version": "12804793b17c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/sfc/tx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.146",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.71",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsfc: fix null pointer dereference in efx_hard_start_xmit\n\nTrying to get the channel from the tx_queue variable here is wrong\nbecause we can only be here if tx_queue is NULL, so we shouldn\u0027t\ndereference it. As the above comment in the code says, this is very\nunlikely to happen, but it\u0027s wrong anyway so let\u0027s fix it.\n\nI hit this issue because of a different bug that caused tx_queue to be\nNULL. If that happens, this is the error message that we get here:\n  BUG: unable to handle kernel NULL pointer dereference at 0000000000000020\n  [...]\n  RIP: 0010:efx_hard_start_xmit+0x153/0x170 [sfc]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T12:13:56.493Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b3b41d4d95d3822b2e459ecbc80d030ea6aec5e7"
        },
        {
          "url": "https://git.kernel.org/stable/c/8547c7bfc0617e7184e4da65b9b96681fcfe9998"
        },
        {
          "url": "https://git.kernel.org/stable/c/b3b952168ee1f220ba729fa100fd9d5aa752eb03"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a242eb2913a4aa3d6fbdb86559f27628e9466f3"
        }
      ],
      "title": "sfc: fix null pointer dereference in efx_hard_start_xmit",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48648",
    "datePublished": "2024-04-28T13:00:28.994Z",
    "dateReserved": "2024-02-25T13:44:28.316Z",
    "dateUpdated": "2024-11-04T12:13:56.493Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48648\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-28T13:15:07.290\",\"lastModified\":\"2024-04-29T12:42:03.667\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsfc: fix null pointer dereference in efx_hard_start_xmit\\n\\nTrying to get the channel from the tx_queue variable here is wrong\\nbecause we can only be here if tx_queue is NULL, so we shouldn\u0027t\\ndereference it. As the above comment in the code says, this is very\\nunlikely to happen, but it\u0027s wrong anyway so let\u0027s fix it.\\n\\nI hit this issue because of a different bug that caused tx_queue to be\\nNULL. If that happens, this is the error message that we get here:\\n  BUG: unable to handle kernel NULL pointer dereference at 0000000000000020\\n  [...]\\n  RIP: 0010:efx_hard_start_xmit+0x153/0x170 [sfc]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sfc: corrige la desreferencia del puntero nulo en efx_hard_start_xmit Intentar obtener el canal de la variable tx_queue aqu\u00ed es incorrecto porque solo podemos estar aqu\u00ed si tx_queue es NULL, por lo que no debemos desreferenciarlo. Como dice el comentario anterior en el c\u00f3digo, es muy poco probable que esto suceda, pero de todos modos est\u00e1 mal, as\u00ed que solucion\u00e9moslo. Encontr\u00e9 este problema debido a un error diferente que provoc\u00f3 que tx_queue fuera NULL. Si eso sucede, este es el mensaje de error que recibimos aqu\u00ed: ERROR: no se puede manejar la desreferencia del puntero NULL del kernel en 0000000000000020 [...] RIP: 0010:efx_hard_start_xmit+0x153/0x170 [sfc]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0a242eb2913a4aa3d6fbdb86559f27628e9466f3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8547c7bfc0617e7184e4da65b9b96681fcfe9998\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b3b41d4d95d3822b2e459ecbc80d030ea6aec5e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b3b952168ee1f220ba729fa100fd9d5aa752eb03\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • 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.