cve-2022-48770
Vulnerability from cvelistv5
Published
2024-06-20 11:13
Modified
2024-11-04 12:16
Severity ?
Summary
bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()
Impacted products
Vendor Product Version
Linux Linux Version: 5.9
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:25:01.559Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-48770",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T17:10:00.483681Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:34:46.874Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/bpf/stackmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ff6bdc205fd0",
              "status": "affected",
              "version": "fa28dcb82a38",
              "versionType": "git"
            },
            {
              "lessThan": "0bcd484587b3",
              "status": "affected",
              "version": "fa28dcb82a38",
              "versionType": "git"
            },
            {
              "lessThan": "b82ef4985a6d",
              "status": "affected",
              "version": "fa28dcb82a38",
              "versionType": "git"
            },
            {
              "lessThan": "b992f01e6615",
              "status": "affected",
              "version": "fa28dcb82a38",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/bpf/stackmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.9"
            },
            {
              "lessThan": "5.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.96",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()\n\ntask_pt_regs() can return NULL on powerpc for kernel threads. This is\nthen used in __bpf_get_stack() to check for user mode, resulting in a\nkernel oops. Guard against this by checking return value of\ntask_pt_regs() before trying to obtain the call chain."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T12:16:09.762Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996"
        },
        {
          "url": "https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3"
        },
        {
          "url": "https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a"
        },
        {
          "url": "https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e"
        }
      ],
      "title": "bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48770",
    "datePublished": "2024-06-20T11:13:45.193Z",
    "dateReserved": "2024-06-20T11:09:39.061Z",
    "dateUpdated": "2024-11-04T12:16:09.762Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48770\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-20T12:15:14.953\",\"lastModified\":\"2024-06-20T12:43:25.663\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()\\n\\ntask_pt_regs() can return NULL on powerpc for kernel threads. This is\\nthen used in __bpf_get_stack() to check for user mode, resulting in a\\nkernel oops. Guard against this by checking return value of\\ntask_pt_regs() before trying to obtain the call chain.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.