{"containers":{"cna":{"affected":[{"product":"PaX","vendor":"n/a","versions":[{"status":"affected","version":"PaX pax-linux-4.9.24-test7.patch (latest version available to the public) grsecurity grsecurity-3.1-4.9.24-201704252333.patch (latest official version available to the public) v4.9.74-unofficial_grsec (latest unofficial version available to the public)"}]}],"descriptions":[{"lang":"en","value":"An exploitable vulnerability exists in the grsecurity PaX patch for the function read_kmem, in PaX from version pax-linux-4.9.8-test1 to 4.9.24-test7, grsecurity official from version grsecurity-3.1-4.9.8-201702060653 to grsecurity-3.1-4.9.24-201704252333, grsecurity unofficial from version v4.9.25-unofficialgrsec to v4.9.74-unofficialgrsec. PaX adds a temp buffer to the read_kmem function, which is never freed when an invalid address is supplied. This results in a memory leakage that can lead to a crash of the system. An attacker needs to induce a read to /dev/kmem using an invalid address to exploit this vulnerability."}],"metrics":[{"cvssV3_0":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","description":"CWE-401: Improper Release of Memory Before Removing Last Reference","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2022-04-19T17:32:57.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","shortName":"talos"},"references":[{"tags":["x_refsource_MISC"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2019-5023","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"PaX","version":{"version_data":[{"version_value":"PaX pax-linux-4.9.24-test7.patch (latest version available to the public) grsecurity grsecurity-3.1-4.9.24-201704252333.patch (latest official version available to the public) v4.9.74-unofficial_grsec (latest unofficial version available to the public)"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An exploitable vulnerability exists in the grsecurity PaX patch for the function read_kmem, in PaX from version pax-linux-4.9.8-test1 to 4.9.24-test7, grsecurity official from version grsecurity-3.1-4.9.8-201702060653 to grsecurity-3.1-4.9.24-201704252333, grsecurity unofficial from version v4.9.25-unofficialgrsec to v4.9.74-unofficialgrsec. PaX adds a temp buffer to the read_kmem function, which is never freed when an invalid address is supplied. This results in a memory leakage that can lead to a crash of the system. An attacker needs to induce a read to /dev/kmem using an invalid address to exploit this vulnerability."}]},"impact":{"cvss":{"baseScore":5.9,"baseSeverity":"Medium","vectorString":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-401: Improper Release of Memory Before Removing Last Reference"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T19:40:48.969Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0784"}]}]},"cveMetadata":{"assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","assignerShortName":"talos","cveId":"CVE-2019-5023","datePublished":"2019-10-31T20:15:40.000Z","dateReserved":"2019-01-04T00:00:00.000Z","dateUpdated":"2024-08-04T19:40:48.969Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}