CVE-2021-3752

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Source
https://cve.org/CVERecord?id=CVE-2021-3752
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3752.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-3752
Downstream
Related
Published
2022-02-16T19:15:08.587Z
Modified
2026-04-11T12:36:51.033911Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "22.1.3"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "22.1.1"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "22.2.0"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "4.0"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "34"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "introduced": "2.6.12"
                },
                {
                    "fixed": "4.4.293"
                },
                {
                    "introduced": "4.5"
                },
                {
                    "fixed": "4.9.291"
                },
                {
                    "introduced": "4.10"
                },
                {
                    "fixed": "4.14.256"
                },
                {
                    "introduced": "4.15"
                },
                {
                    "fixed": "4.19.218"
                },
                {
                    "introduced": "4.20"
                },
                {
                    "fixed": "5.4.160"
                },
                {
                    "introduced": "5.5"
                },
                {
                    "fixed": "5.10.80"
                },
                {
                    "introduced": "5.11"
                },
                {
                    "fixed": "5.14.19"
                },
                {
                    "introduced": "5.15"
                },
                {
                    "fixed": "5.15.3"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "7"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:redhat:enterprise_linux_for_real_time:7:*:*:*:*:*:*:*"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "7"
                }
            ],
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:7:*:*:*:*:*:*:*"
        }
    ]
}
References

Affected packages

Git / github.com/3scale/apicast

Affected ranges

Type
GIT
Repo
https://github.com/3scale/apicast
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
bb459e2f01eb14330a01a8476210d925d53c7002
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.0"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:redhat:3scale:2.0:*:*:*:*:*:*:*"
}

Affected versions

v0.*
v0.1
v0.2
Other
v2
v2.*
v2.0.0
v2.0.0-alpha1
v2.0.0-beta1
v2.0.0-rc1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3752.json"