WID-SEC-W-2022-2132
Vulnerability from csaf_certbund
Published
2022-11-20 23:00
Modified
2023-08-17 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle in Linux Kernel ausnutzen, um seine Privilegien zu erhöhen oder einen Denial of Service zu verursachen.
Betroffene Betriebssysteme
- Linux


To clipboard 

{
   document: {
      aggregate_severity: {
         text: "hoch",
      },
      category: "csaf_base",
      csaf_version: "2.0",
      distribution: {
         tlp: {
            label: "WHITE",
            url: "https://www.first.org/tlp/",
         },
      },
      lang: "de-DE",
      notes: [
         {
            category: "legal_disclaimer",
            text: "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.",
         },
         {
            category: "description",
            text: "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
            title: "Produktbeschreibung",
         },
         {
            category: "summary",
            text: "Ein lokaler Angreifer kann eine Schwachstelle in Linux Kernel ausnutzen, um seine Privilegien zu erhöhen oder einen Denial of Service zu verursachen.",
            title: "Angriff",
         },
         {
            category: "general",
            text: "- Linux",
            title: "Betroffene Betriebssysteme",
         },
      ],
      publisher: {
         category: "other",
         contact_details: "csaf-provider@cert-bund.de",
         name: "Bundesamt für Sicherheit in der Informationstechnik",
         namespace: "https://www.bsi.bund.de",
      },
      references: [
         {
            category: "self",
            summary: "WID-SEC-W-2022-2132 - CSAF Version",
            url: "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-2132.json",
         },
         {
            category: "self",
            summary: "WID-SEC-2022-2132 - Portal Version",
            url: "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2132",
         },
         {
            category: "external",
            summary: "ORACLE OVMSA-2023-0016 vom 2023-08-17",
            url: "https://oss.oracle.com/pipermail/oraclevm-errata/2023-August/001084.html",
         },
         {
            category: "external",
            summary: "ORACLE OVMSA-2023-0017 vom 2023-08-17",
            url: "https://oss.oracle.com/pipermail/oraclevm-errata/2023-August/001076.html",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-6071-1 vom 2023-05-10",
            url: "https://ubuntu.com/security/notices/USN-6071-1",
         },
         {
            category: "external",
            summary: "Oracle Linux Security Advisory ELSA-2023-12323 vom 2023-05-02",
            url: "https://linux.oracle.com/errata/ELSA-2023-12323.html",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5791-2 vom 2023-04-26",
            url: "https://ubuntu.com/security/notices/USN-6045-1",
         },
         {
            category: "external",
            summary: "OSS-Security Mailing Liste vom 2022-11-20",
            url: "https://seclists.org/oss-sec/2022/q4/149",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4505-1 vom 2022-12-16",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013250.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4503-1 vom 2022-12-16",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013251.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4504-1 vom 2022-12-16",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013252.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4573-1 vom 2022-12-19",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013280.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4561-1 vom 2022-12-19",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013272.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4574-1 vom 2022-12-19",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013279.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4566-1 vom 2022-12-19",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013273.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4585-1 vom 2022-12-20",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013296.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4589-1 vom 2022-12-20",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013294.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4614-1 vom 2022-12-23",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013337.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4616-1 vom 2022-12-23",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013339.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4617-1 vom 2022-12-23",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013342.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4611-1 vom 2022-12-23",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013341.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4615-1 vom 2022-12-23",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013338.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2022:4613-1 vom 2022-12-23",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2022-December/013340.html",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5793-1 vom 2023-01-07",
            url: "https://ubuntu.com/security/notices/USN-5793-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5792-1 vom 2023-01-07",
            url: "https://ubuntu.com/security/notices/USN-5792-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5790-1 vom 2023-01-07",
            url: "https://ubuntu.com/security/notices/USN-5790-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5791-1 vom 2023-01-07",
            url: "https://ubuntu.com/security/notices/USN-5791-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5792-2 vom 2023-01-09",
            url: "https://ubuntu.com/security/notices/USN-5792-2",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5792-2 vom 2023-01-09",
            url: "https://ubuntu.com/security/notices/USN-5791-2",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5793-2 vom 2023-01-09",
            url: "https://ubuntu.com/security/notices/USN-5793-2",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5793-3 vom 2023-01-10",
            url: "https://ubuntu.com/security/notices/USN-5793-3",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5791-3 vom 2023-01-10",
            url: "https://ubuntu.com/security/notices/USN-5791-3",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5793-4 vom 2023-01-11",
            url: "https://ubuntu.com/security/notices/USN-5793-4",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5815-1 vom 2023-01-19",
            url: "https://ubuntu.com/security/notices/USN-5815-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-5877-1 vom 2023-02-16",
            url: "https://ubuntu.com/security/notices/USN-5877-1",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:0416-1 vom 2023-02-15",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-February/013765.html",
         },
      ],
      source_lang: "en-US",
      title: "Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation",
      tracking: {
         current_release_date: "2023-08-17T22:00:00.000+00:00",
         generator: {
            date: "2024-08-15T17:38:41.244+00:00",
            engine: {
               name: "BSI-WID",
               version: "1.3.5",
            },
         },
         id: "WID-SEC-W-2022-2132",
         initial_release_date: "2022-11-20T23:00:00.000+00:00",
         revision_history: [
            {
               date: "2022-11-20T23:00:00.000+00:00",
               number: "1",
               summary: "Initiale Fassung",
            },
            {
               date: "2022-12-18T23:00:00.000+00:00",
               number: "2",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2022-12-19T23:00:00.000+00:00",
               number: "3",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2022-12-20T23:00:00.000+00:00",
               number: "4",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2022-12-26T23:00:00.000+00:00",
               number: "5",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2023-01-08T23:00:00.000+00:00",
               number: "6",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-01-09T23:00:00.000+00:00",
               number: "7",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-01-10T23:00:00.000+00:00",
               number: "8",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-01-19T23:00:00.000+00:00",
               number: "9",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-02-15T23:00:00.000+00:00",
               number: "10",
               summary: "Neue Updates von Ubuntu und SUSE aufgenommen",
            },
            {
               date: "2023-04-26T22:00:00.000+00:00",
               number: "11",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-05-02T22:00:00.000+00:00",
               number: "12",
               summary: "Neue Updates von Oracle Linux aufgenommen",
            },
            {
               date: "2023-05-10T22:00:00.000+00:00",
               number: "13",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-08-17T22:00:00.000+00:00",
               number: "14",
               summary: "Neue Updates von ORACLE aufgenommen",
            },
         ],
         status: "final",
         version: "14",
      },
   },
   product_tree: {
      branches: [
         {
            branches: [
               {
                  category: "product_name",
                  name: "Open Source Linux Kernel < 5.19.2",
                  product: {
                     name: "Open Source Linux Kernel < 5.19.2",
                     product_id: "1233075",
                     product_identification_helper: {
                        cpe: "cpe:/o:linux:linux_kernel:5.19.2",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "Open Source",
         },
         {
            branches: [
               {
                  category: "product_name",
                  name: "Oracle Linux",
                  product: {
                     name: "Oracle Linux",
                     product_id: "T004914",
                     product_identification_helper: {
                        cpe: "cpe:/o:oracle:linux:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "Oracle",
         },
         {
            branches: [
               {
                  category: "product_name",
                  name: "SUSE Linux",
                  product: {
                     name: "SUSE Linux",
                     product_id: "T002207",
                     product_identification_helper: {
                        cpe: "cpe:/o:suse:suse_linux:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "SUSE",
         },
         {
            branches: [
               {
                  category: "product_name",
                  name: "Ubuntu Linux",
                  product: {
                     name: "Ubuntu Linux",
                     product_id: "T000126",
                     product_identification_helper: {
                        cpe: "cpe:/o:canonical:ubuntu_linux:-",
                     },
                  },
               },
            ],
            category: "vendor",
            name: "Ubuntu",
         },
      ],
   },
   vulnerabilities: [
      {
         cve: "CVE-2022-4095",
         notes: [
            {
               category: "description",
               text: "Es existiert eine Schwachstelle im Linux Kernel. Dabei handelt es sich um ein \"double free\" Problem in drivers/staging/rtl8712/rtl8712_cmd.c. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen lokalen Denial-of-Service-Angriff zu starten oder seine Rechte zu erweitern.",
            },
         ],
         product_status: {
            known_affected: [
               "T002207",
               "T000126",
               "T004914",
            ],
         },
         release_date: "2022-11-20T23:00:00.000+00:00",
         title: "CVE-2022-4095",
      },
   ],
}


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