fkie_cve-2021-35039
Vulnerability from fkie_nvd
Published
2021-07-07 01:15
Modified
2024-11-21 06:11
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG, verification that a kernel module is signed, for loading via init_module, does not occur for a module.sig_enforce=1 command-line argument.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/07/06/3Mailing List, Third Party Advisory
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14Mailing List, Patch, Vendor Advisory
cve@mitre.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c18f29aae7ce3dadd26d8ee3505d07cc982df75Mailing List, Patch, Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/0c18f29aae7ce3dadd26d8ee3505d07cc982df75Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210813-0004/Third Party Advisory
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2021/07/06/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/07/06/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c18f29aae7ce3dadd26d8ee3505d07cc982df75Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/0c18f29aae7ce3dadd26d8ee3505d07cc982df75Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210813-0004/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/07/06/3Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
debian debian_linux 9.0


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "F3CAB837-7D38-4934-AD4F-195CEFD754E6",
                     versionEndExcluding: "4.19.196",
                     versionStartIncluding: "4.15",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "3BA224A1-00EE-4171-B259-921A4A3E2A26",
                     versionEndExcluding: "5.4.129",
                     versionStartIncluding: "4.20",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "7E7C0CCD-69D3-4E4B-A278-9DA1DC6464ED",
                     versionEndExcluding: "5.10.47",
                     versionStartIncluding: "5.5",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "AE921D8E-1E68-4B26-B8BB-2C48BF1BE23C",
                     versionEndExcluding: "5.12.14",
                     versionStartIncluding: "5.11",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "DEECE5FC-CACF-4496-A3E7-164736409252",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG, verification that a kernel module is signed, for loading via init_module, does not occur for a module.sig_enforce=1 command-line argument.",
      },
      {
         lang: "es",
         value: "El archivo kernel/module.c en el kernel de Linux versiones anteriores a 5.12.14, maneja inapropiadamente la Verificación de firmas, también se conoce como CID-0c18f29aae7c. Sin CONFIG_MODULE_SIG, la verificación de que un módulo del kernel está firmado, para cargar por medio de la función init_module, no ocurre para un argumento module.sig_enforce=1 en la línea de comandos",
      },
   ],
   id: "CVE-2021-35039",
   lastModified: "2024-11-21T06:11:43.660",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "MEDIUM",
               accessVector: "LOCAL",
               authentication: "NONE",
               availabilityImpact: "COMPLETE",
               baseScore: 6.9,
               confidentialityImpact: "COMPLETE",
               integrityImpact: "COMPLETE",
               vectorString: "AV:L/AC:M/Au:N/C:C/I:C/A:C",
               version: "2.0",
            },
            exploitabilityScore: 3.4,
            impactScore: 10,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 7.8,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-07-07T01:15:07.517",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://www.openwall.com/lists/oss-security/2021/07/06/3",
      },
      {
         source: "cve@mitre.org",
         tags: [
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            "Patch",
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         ],
         url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Mailing List",
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c18f29aae7ce3dadd26d8ee3505d07cc982df75",
      },
      {
         source: "cve@mitre.org",
         tags: [
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         url: "https://github.com/torvalds/linux/commit/0c18f29aae7ce3dadd26d8ee3505d07cc982df75",
      },
      {
         source: "cve@mitre.org",
         tags: [
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            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20210813-0004/",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://www.openwall.com/lists/oss-security/2021/07/06/3",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://www.openwall.com/lists/oss-security/2021/07/06/3",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         ],
         url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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            "Patch",
            "Vendor Advisory",
         ],
         url: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c18f29aae7ce3dadd26d8ee3505d07cc982df75",
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      {
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         url: "https://github.com/torvalds/linux/commit/0c18f29aae7ce3dadd26d8ee3505d07cc982df75",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         url: "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         ],
         url: "https://security.netapp.com/advisory/ntap-20210813-0004/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://www.openwall.com/lists/oss-security/2021/07/06/3",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-347",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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