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"tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4095-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4117-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4118-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4465"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank huangwen (ADLab of Venustech) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2019:3089", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1062.4.1.rt56.1027.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-10-16T00:00:00Z"}, {"advisory": "RHSA-2019:3055", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1062.4.1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-10-16T00:00:00Z"}, {"advisory": "RHSA-2019:3076", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-10-16T00:00:00Z"}, {"advisory": "RHSA-2020:0174", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.14.0-115.17.1.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-01-21T00:00:00Z"}, {"advisory": "RHSA-2020:2289", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "kernel-0:3.10.0-957.54.1.el7", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-05-26T00:00:00Z"}, {"advisory": "RHSA-2019:2741", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-80.11.1.rt9.156.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHSA-2019:2703", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-80.11.1.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHSA-2020:2289", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "kernel-0:3.10.0-957.54.1.el7", "product_name": "Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2020-05-26T00:00:00Z"}], "bugzilla": {"description": "kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c", "id": "1713059", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1713059"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.0", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-122", "details": ["A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network.", "A flaw was found in the Linux kernel's Marvell wifi chip driver. A heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c allows remote attackers to cause a denial of service(system crash) or execute arbitrary code."], "mitigation": {"lang": "en:us", "value": "This flaw requires a system with marvell wifi network card to be attempting to connect to a attacker controlled wifi network. A temporary mitigation may be to only connect to known-good networks via wifi, or connect to a network via ethernet. Alternatively if wireless networking is not used the mwifiex kernel module can be blacklisted to prevent misuse of the vulnerable code."}, "name": "CVE-2019-3846", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2019-05-30T12:53:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-3846\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-3846\nhttps://seclists.org/oss-sec/2019/q2/133"], "statement": "This flaw is currently rated as Important as it is possible for an attacker to setup a wifi access point with identical configuration in another location and intercept have the system auto connect and possibly be exploited.", "threat_severity": "Important"}