CVE-2021-46943
Vulnerability from cvelistv5
Published
2024-02-27 18:40
Modified
2024-11-04 11:56
Severity ?
Summary
media: staging/intel-ipu3: Fix set_fmt error handling
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-46943",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-27T19:34:55.283543Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-05T17:21:04.382Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:17:42.870Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/staging/media/ipu3/ipu3-v4l2.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a03fb1e8a110",
              "status": "affected",
              "version": "6d5f26f2e045",
              "versionType": "git"
            },
            {
              "lessThan": "c6b81b897f6f",
              "status": "affected",
              "version": "6d5f26f2e045",
              "versionType": "git"
            },
            {
              "lessThan": "34892ea93838",
              "status": "affected",
              "version": "6d5f26f2e045",
              "versionType": "git"
            },
            {
              "lessThan": "6fb617e37a39",
              "status": "affected",
              "version": "6d5f26f2e045",
              "versionType": "git"
            },
            {
              "lessThan": "ad91849996f9",
              "status": "affected",
              "version": "6d5f26f2e045",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/staging/media/ipu3/ipu3-v4l2.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.2"
            },
            {
              "lessThan": "5.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.118",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.36",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.11.*",
              "status": "unaffected",
              "version": "5.11.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: staging/intel-ipu3: Fix set_fmt error handling\n\nIf there in an error during a set_fmt, do not overwrite the previous\nsizes with the invalid config.\n\nWithout this patch, v4l2-compliance ends up allocating 4GiB of RAM and\ncausing the following OOPs\n\n[   38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes)\n[   38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0\n[   38.663010] general protection fault: 0000 [#1] PREEMPT SMP"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T11:56:22.770Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6"
        },
        {
          "url": "https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137"
        },
        {
          "url": "https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916"
        },
        {
          "url": "https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc"
        },
        {
          "url": "https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356"
        }
      ],
      "title": "media: staging/intel-ipu3: Fix set_fmt error handling",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-46943",
    "datePublished": "2024-02-27T18:40:29.903Z",
    "dateReserved": "2024-02-25T13:45:52.721Z",
    "dateUpdated": "2024-11-04T11:56:22.770Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-46943\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-27T19:04:06.063\",\"lastModified\":\"2024-04-10T19:54:14.133\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: staging/intel-ipu3: Fix set_fmt error handling\\n\\nIf there in an error during a set_fmt, do not overwrite the previous\\nsizes with the invalid config.\\n\\nWithout this patch, v4l2-compliance ends up allocating 4GiB of RAM and\\ncausing the following OOPs\\n\\n[   38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes)\\n[   38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0\\n[   38.663010] general protection fault: 0000 [#1] PREEMPT SMP\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: medios: staging/intel-ipu3: Corrija el manejo de errores set_fmt Si ocurre un error durante un set_fmt, no sobrescriba los tama\u00f1os anteriores con la configuraci\u00f3n no v\u00e1lida. Sin este parche, el cumplimiento de v4l2 termina asignando 4 GiB de RAM y provocando los siguientes OOP [38.662975] ipu3-imgu 0000:00:05.0: el b\u00fafer swiotlb est\u00e1 lleno (sz: 4096 bytes) [38.662980] DMA: Fuera de SW-IOMMU espacio para 4096 bytes en el dispositivo 0000:00:05.0 [38.663010] falla de protecci\u00f3n general: 0000 [#1] PREEMPT SMP\"}],\"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:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-131\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2.0\",\"versionEndExcluding\":\"5.4.118\",\"matchCriteriaId\":\"5D320A21-D672-45FD-B78C-393AED970627\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5.0\",\"versionEndExcluding\":\"5.10.36\",\"matchCriteriaId\":\"C7148769-B830-4B8F-986F-E0C85A19FC7F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11.0\",\"versionEndExcluding\":\"5.11.20\",\"matchCriteriaId\":\"EFB425F0-C28C-4B44-8B4C-AD512AA832DE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.12.0\",\"versionEndExcluding\":\"5.12.3\",\"matchCriteriaId\":\"C3814FA3-8141-4313-A852-8C4212BE12AD\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/34892ea938387d83ffcfb7775ec55f0f80767916\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6fb617e37a39db0a3eca4489431359d0bdf3b9bc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a03fb1e8a110658215a4cefc3e2ad53279e496a6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ad91849996f9dd79741a961fd03585a683b08356\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c6b81b897f6f9445d57f8d47c4e060ec21556137\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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.