fkie_cve-2022-32296
Vulnerability from fkie_nvd
Published
2022-06-05 22:15
Modified
2024-11-21 07:06
Severity ?
3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.
References
cve@mitre.orghttps://arxiv.org/abs/2209.12993
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9Release Notes, Vendor Advisory
cve@mitre.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5Mailing List, Patch, Vendor Advisory
cve@mitre.orghttps://github.com/0xkol/rfc6056-device-tracker
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
cve@mitre.orghttps://www.debian.org/security/2022/dsa-5173
af854a3a-2127-422b-91ae-364da2661108https://arxiv.org/abs/2209.12993
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/0xkol/rfc6056-device-tracker
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5173
Impacted products
Vendor Product Version
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "25C3E3D8-C739-42D8-853F-3589B322CD1E",
                     versionEndExcluding: "5.17.9",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 (\"Double-Hash Port Selection Algorithm\") of RFC 6056.",
      },
      {
         lang: "es",
         value: "El kernel de Linux anterior a la versión 5.17.9 permite a los servidores TCP identificar a los clientes observando qué puertos de origen se utilizan. Esto ocurre debido al uso del Algoritmo 4 (\"Double-Hash Port Selection Algorithm\") del RFC 6056",
      },
   ],
   id: "CVE-2022-32296",
   lastModified: "2024-11-21T07:06:07.740",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "LOW",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "LOCAL",
               authentication: "NONE",
               availabilityImpact: "NONE",
               baseScore: 2.1,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "NONE",
               vectorString: "AV:L/AC:L/Au:N/C:P/I:N/A:N",
               version: "2.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "NONE",
               baseScore: 3.3,
               baseSeverity: "LOW",
               confidentialityImpact: "LOW",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 1.4,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2022-06-05T22:15:08.797",
   references: [
      {
         source: "cve@mitre.org",
         url: "https://arxiv.org/abs/2209.12993",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Mailing List",
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5",
      },
      {
         source: "cve@mitre.org",
         url: "https://github.com/0xkol/rfc6056-device-tracker",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html",
      },
      {
         source: "cve@mitre.org",
         url: "https://www.debian.org/security/2022/dsa-5173",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://arxiv.org/abs/2209.12993",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://github.com/0xkol/rfc6056-device-tracker",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://www.debian.org/security/2022/dsa-5173",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-330",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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