{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-06-10T19:06:15", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2020/01/28/2"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6"}, {"tags": ["x_refsource_MISC"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6"}, {"name": "[oss-security] 20200129 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2020/01/28/4"}, {"name": "[oss-security] 20200202 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2020/02/02/1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20200313-0003/"}, {"name": "openSUSE-SU-2020:0336", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"}, {"name": "USN-4320-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4320-1/"}, {"name": "USN-4318-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4318-1/"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html"}, {"name": "USN-4324-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4324-1/"}, {"name": "USN-4325-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4325-1/"}, {"name": "USN-4319-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4319-1/"}, {"name": "DSA-4667", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2020/dsa-4667"}, {"name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"}, {"name": "DSA-4698", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2020/dsa-4698"}], "source": {"discovery": "INTERNAL"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-8428", "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": "fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.openwall.com/lists/oss-security/2020/01/28/2", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2020/01/28/2"}, {"name": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6", "refsource": "MISC", "url": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6"}, {"name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6", "refsource": "MISC", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6"}, {"name": "[oss-security] 20200129 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2020/01/28/4"}, {"name": "[oss-security] 20200202 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2020/02/02/1"}, {"name": "https://security.netapp.com/advisory/ntap-20200313-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20200313-0003/"}, {"name": "openSUSE-SU-2020:0336", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"}, {"name": "USN-4320-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4320-1/"}, {"name": "USN-4318-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4318-1/"}, {"name": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html"}, {"name": "USN-4324-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4324-1/"}, {"name": "USN-4325-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4325-1/"}, {"name": "USN-4319-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4319-1/"}, {"name": "DSA-4667", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2020/dsa-4667"}, {"name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"}, {"name": "DSA-4698", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2020/dsa-4698"}]}, "source": {"discovery": "INTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:56:28.354Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2020/01/28/2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6"}, {"name": "[oss-security] 20200129 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2020/01/28/4"}, {"name": "[oss-security] 20200202 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2020/02/02/1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20200313-0003/"}, {"name": "openSUSE-SU-2020:0336", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"}, {"name": "USN-4320-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4320-1/"}, {"name": "USN-4318-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4318-1/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html"}, {"name": "USN-4324-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4324-1/"}, {"name": "USN-4325-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4325-1/"}, {"name": "USN-4319-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4319-1/"}, {"name": "DSA-4667", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2020/dsa-4667"}, {"name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"}, {"name": "DSA-4698", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2020/dsa-4698"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-8428", "datePublished": "2020-01-28T23:43:41", "dateReserved": "2020-01-28T00:00:00", "dateUpdated": "2024-08-04T09:56:28.354Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "904A2E19-D6CD-4C97-B8F4-1F179CC6956C", "versionEndExcluding": "5.5", "versionStartIncluding": "4.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed."}, {"lang": "es", "value": "El archivo fs/namei.c en el kernel de Linux versiones anteriores a 5.5, presenta una vulnerabilidad de uso de la memoria previamente liberada en la funci\u00f3n may_create_in_sticky, que permite a usuarios locales causar una denegaci\u00f3n de servicio (OOPS) u obtener informaci\u00f3n confidencial de la memoria del kernel, tambi\u00e9n se conoce como CID-d0cb50185ae9. Un vector de ataque puede ser una llamada de sistema abierta para un socket del dominio UNIX, si el socket est\u00e1 siendo movido hacia un nuevo directorio padre y su antiguo directorio padre est\u00e1 siendo eliminado."}], "id": "CVE-2020-8428", "lastModified": "2020-06-10T20:15:14.563", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-29T00:15:10.953", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"}, {"source": "cve@mitre.org", "url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/01/28/4"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2020/02/02/1"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20200313-0003/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4318-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4319-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4320-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4324-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4325-1/"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2020/dsa-4667"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2020/dsa-4698"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/01/28/2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: use-after-free in fs/namei.c", "id": "1796939", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1796939"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.", "A flaw was found in the Linux kernel. The may_create_in_sticky in fs/namei.c function has a possible use-after-free which can allow a local user to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-8428", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "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:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "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": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2020-01-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-8428\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-8428"], "threat_severity": "Moderate"}