CVE-2021-3347 (GCVE-0-2021-3347)

Vulnerability from cvelistv5 – Published: 2021-01-29 16:56 – Updated: 2025-07-24 03:55
VLAI?
Summary
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:53:17.552Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c64396cc36c6e60704ab06c1fb1c4a46179c9120"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907a"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6d"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2021/01/29/3"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2021/01/29/1"
          },
          {
            "name": "[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/01/29/5"
          },
          {
            "name": "[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/01/29/4"
          },
          {
            "name": "[oss-security] 20210201 Re: Linux Kernel: local priv escalation via futexes",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/02/01/4"
          },
          {
            "name": "DSA-4843",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2021/dsa-4843"
          },
          {
            "name": "FEDORA-2021-6e805a5051",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CXAVDAK4RLAHBHHGEPL73UFXSI6BXQ7Q/"
          },
          {
            "name": "FEDORA-2021-879c756377",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QOBMXDJABYE76RKNBAWA2E4TSSBX7CSJ/"
          },
          {
            "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210304-0005/"
          },
          {
            "name": "[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-3347",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2021-08-31T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-24T03:55:31.294Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-09T20:06:31.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c64396cc36c6e60704ab06c1fb1c4a46179c9120"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907a"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6d"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2021/01/29/3"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2021/01/29/1"
        },
        {
          "name": "[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/01/29/5"
        },
        {
          "name": "[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/01/29/4"
        },
        {
          "name": "[oss-security] 20210201 Re: Linux Kernel: local priv escalation via futexes",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/02/01/4"
        },
        {
          "name": "DSA-4843",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2021/dsa-4843"
        },
        {
          "name": "FEDORA-2021-6e805a5051",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CXAVDAK4RLAHBHHGEPL73UFXSI6BXQ7Q/"
        },
        {
          "name": "FEDORA-2021-879c756377",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QOBMXDJABYE76RKNBAWA2E4TSSBX7CSJ/"
        },
        {
          "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20210304-0005/"
        },
        {
          "name": "[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-3347",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c64396cc36c6e60704ab06c1fb1c4a46179c9120",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c64396cc36c6e60704ab06c1fb1c4a46179c9120"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907a",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907a"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6d",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6d"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2021/01/29/3",
              "refsource": "MISC",
              "url": "https://www.openwall.com/lists/oss-security/2021/01/29/3"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2021/01/29/1",
              "refsource": "MISC",
              "url": "https://www.openwall.com/lists/oss-security/2021/01/29/1"
            },
            {
              "name": "[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/01/29/5"
            },
            {
              "name": "[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/01/29/4"
            },
            {
              "name": "[oss-security] 20210201 Re: Linux Kernel: local priv escalation via futexes",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/02/01/4"
            },
            {
              "name": "DSA-4843",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2021/dsa-4843"
            },
            {
              "name": "FEDORA-2021-6e805a5051",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CXAVDAK4RLAHBHHGEPL73UFXSI6BXQ7Q/"
            },
            {
              "name": "FEDORA-2021-879c756377",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QOBMXDJABYE76RKNBAWA2E4TSSBX7CSJ/"
            },
            {
              "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210304-0005/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210304-0005/"
            },
            {
              "name": "[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-3347",
    "datePublished": "2021-01-29T16:56:16.000Z",
    "dateReserved": "2021-01-29T00:00:00.000Z",
    "dateUpdated": "2025-07-24T03:55:31.294Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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 observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.