{"containers": {"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 before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-08-14T13:06:09", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"tags": ["x_refsource_MISC"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"name": "108196", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/108196"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.f5.com/csp/article/K11225249"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20190719-0003/"}, {"name": "openSUSE-SU-2019:1716", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html"}, {"name": "openSUSE-SU-2019:1757", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html"}, {"name": "USN-4076-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4076-1/"}, {"name": "DSA-4495", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2019/dsa-4495"}, {"name": "20190812 [SECURITY] [DSA 4495-1] linux security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "https://seclists.org/bugtraq/2019/Aug/13"}, {"name": "20190813 [SECURITY] [DSA 4497-1] linux security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "https://seclists.org/bugtraq/2019/Aug/18"}, {"name": "DSA-4497", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2019/dsa-4497"}, {"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1884-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"}, {"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-20836", "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 before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae", "refsource": "MISC", "url": "https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae", "refsource": "MISC", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"name": "108196", "refsource": "BID", "url": "http://www.securityfocus.com/bid/108196"}, {"name": "https://support.f5.com/csp/article/K11225249", "refsource": "CONFIRM", "url": "https://support.f5.com/csp/article/K11225249"}, {"name": "https://security.netapp.com/advisory/ntap-20190719-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20190719-0003/"}, {"name": "openSUSE-SU-2019:1716", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html"}, {"name": "openSUSE-SU-2019:1757", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html"}, {"name": "USN-4076-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4076-1/"}, {"name": "DSA-4495", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2019/dsa-4495"}, {"name": "20190812 [SECURITY] [DSA 4495-1] linux security update", "refsource": "BUGTRAQ", "url": "https://seclists.org/bugtraq/2019/Aug/13"}, {"name": "20190813 [SECURITY] [DSA 4497-1] linux security update", "refsource": "BUGTRAQ", "url": "https://seclists.org/bugtraq/2019/Aug/18"}, {"name": "DSA-4497", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2019/dsa-4497"}, {"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1884-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"}, {"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T12:12:27.403Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"name": "108196", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/108196"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://support.f5.com/csp/article/K11225249"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20190719-0003/"}, {"name": "openSUSE-SU-2019:1716", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html"}, {"name": "openSUSE-SU-2019:1757", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html"}, {"name": "USN-4076-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4076-1/"}, {"name": "DSA-4495", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2019/dsa-4495"}, {"name": "20190812 [SECURITY] [DSA 4495-1] linux security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "https://seclists.org/bugtraq/2019/Aug/13"}, {"name": "20190813 [SECURITY] [DSA 4497-1] linux security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "https://seclists.org/bugtraq/2019/Aug/18"}, {"name": "DSA-4497", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2019/dsa-4497"}, {"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1884-1] linux security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"}, {"name": "[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-20836", "datePublished": "2019-05-07T13:04:44", "dateReserved": "2019-05-07T00:00:00", "dateUpdated": "2024-08-05T12:12:27.403Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E21EF678-8293-4EB3-BEA1-B35262A1C235", "versionEndExcluding": "3.16.72", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "458642C9-EADA-40E1-BBD4-F93D0220E4BD", "versionEndExcluding": "3.18.140", "versionStartIncluding": "3.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE7DF4B1-8B78-42F2-A108-584CA5F8DBF5", "versionEndExcluding": "4.4.180", "versionStartIncluding": "3.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9A08496C-3120-48ED-B9B6-180169E0EA86", "versionEndExcluding": "4.9.175", "versionStartIncluding": "4.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "64B07173-A2F3-4A68-AD8A-EB01E3580532", "versionEndExcluding": "4.14.118", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BD5E80B1-CDA7-409E-8729-298910620147", "versionEndExcluding": "4.19.42", "versionStartIncluding": "4.15", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "BD2438E2-0693-45E0-998E-0E9010525E9C", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "42836A1C-81BB-4F80-9E32-EEE0DAA18D26", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*", "matchCriteriaId": "0CB28AF5-5AF0-4475-A7B6-12E1795FFDCB", "versionStartIncluding": "9.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:*", "matchCriteriaId": "F74F467A-0C81-40D9-BA06-40FB8EF02C04", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:solidfire_\\&_hci_management_node:-:*:*:*:*:*:*:*", "matchCriteriaId": "D6D700C5-F67F-4FFB-BE69-D524592A3D2E", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:solidfire_\\&_hci_storage_node:-:*:*:*:*:*:*:*", "matchCriteriaId": "D452B464-1200-4B72-9A89-42DC58486191", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:-:*:*:*:*:vmware_vsphere:*:*", "matchCriteriaId": "345A90A9-6F29-4620-AA13-D54F9C6D2617", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:*", "matchCriteriaId": "13270F58-E106-48CE-9933-E68AABBBFC21", "versionStartIncluding": "7.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:*", "matchCriteriaId": "B7B42CB6-3C14-4183-AFA8-C3682F8B54AB", "versionStartIncluding": "7.2", "vulnerable": true}, {"criteria": "cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*", "matchCriteriaId": "AD7447BC-F315-4298-A822-549942FC118B", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free."}, {"lang": "es", "value": "Fue descubierto un fallo en el kernel de Linux anterior a 4.20. Hay una condici\u00f3n de carrera en smp_task_timedout() y smp_task_done() en drivers/scsi/libsas/sas_expander.c, permitiendo el uso despu\u00e9s de liberaci\u00f3n de memoria."}], "id": "CVE-2018-20836", "lastModified": "2024-11-21T04:02:16.550", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-05-07T14:29:00.303", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/108196"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Aug/13"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Aug/18"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190719-0003/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://support.f5.com/csp/article/K11225249"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4076-1/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4495"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4497"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/108196"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Aug/13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Aug/18"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190719-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.f5.com/csp/article/K11225249"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4076-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4495"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4497"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:4062", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1160.rt56.1131.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:4060", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1160.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:5656", "cpe": "cpe:/o:redhat:rhel_eus:7.6", "package": "kernel-0:3.10.0-957.65.1.el7", "product_name": "Red Hat Enterprise Linux 7.6 Extended Update Support", "release_date": "2020-12-22T00:00:00Z"}, {"advisory": "RHSA-2021:0019", "cpe": "cpe:/o:redhat:rhel_eus:7.7", "package": "kernel-0:3.10.0-1062.43.1.el7", "product_name": "Red Hat Enterprise Linux 7.7 Extended Update Support", "release_date": "2021-01-05T00:00:00Z"}, {"advisory": "RHSA-2020:5656", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "kernel-0:3.10.0-957.65.1.el7", "product_name": "Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS", "release_date": "2020-12-22T00:00:00Z"}], "bugzilla": {"description": "kernel: race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c leads to use-after-free", "id": "1707796", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1707796"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-362->CWE-416", "details": ["An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.", "A flaw was found in the Linux kernel\u2019s implementation of the SAS expander subsystem, where a race condition exists in the smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c. An attacker could abuse this flaw to corrupt memory and escalate privileges."], "name": "CVE-2018-20836", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2018-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-20836\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-20836"], "threat_severity": "Moderate"}