{
  "schema_version": "1.7.0",
  "id": "RHSA-2021:2733",
  "related": [],
  "upstream": [
    "CVE-2021-3347",
    "CVE-2021-33034",
    "CVE-2021-33909"
  ],
  "published": "2024-09-13T20:28:50Z",
  "modified": "2026-02-26T10:03:56Z",
  "summary": "Red Hat Security Advisory: kernel security update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "kernel",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-abi-whitelists",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-abi-whitelists"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-debug",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-debug"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-debug-debuginfo",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-debug-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-debug-devel",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-debug-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-debuginfo",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-debuginfo-common-x86_64",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-debuginfo-common-x86_64"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-devel",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-doc",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-doc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-tools",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-tools"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-tools-debuginfo",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-tools-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-tools-libs",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-tools-libs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "kernel-tools-libs-devel",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/kernel-tools-libs-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "perf",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/perf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "perf-debuginfo",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/perf-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "python-perf",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/python-perf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "python-perf-debuginfo",
        "ecosystem": "Red Hat:rhel_aus:7.3::server",
        "purl": "pkg:rpm/redhat/python-perf-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:3.10.0-514.90.2.el7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2021:2733"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/updates/classification/#important"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2021-006"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1922249"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1961305"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1970273"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2733.json"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2021-3347"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3347"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3347"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2021-33034"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-33034"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33034"
    },
    {
      "type": "ARTICLE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c4c8c9544099bb9043a10a5318130a943e32fc3"
    },
    {
      "type": "ARTICLE",
      "url": "https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl"
    },
    {
      "type": "ARTICLE",
      "url": "https://syzkaller.appspot.com/bug?id=2e1943a94647f7732dd6fc60368642d6e8dc91b1"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2021-33909"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-33909"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33909"
    },
    {
      "type": "ARTICLE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.openwall.com/lists/oss-security/2021/07/20/1"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.qualys.com/2021/07/20/cve-2021-33909/sequoia-local-privilege-escalation-linux.txt"
    }
  ]
}