fkie_cve-2022-48782
Vulnerability from fkie_nvd
Published
2024-07-16 12:15
Modified
2024-11-21 07:34
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problem route.c:425:4: warning: Use of memory after it is freed trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ When mctp_key_add() fails, key is freed but then is later used in trace_mctp_key_acquire(). Add an else statement to use the key only when mctp_key_add() is successful.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81eMailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7bMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81eMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7bMailing List, Patch
Impacted products
Vendor Product Version
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "0D327234-5D4A-43DC-A6DF-BCA0CEBEC039",
                     versionEndExcluding: "5.16.11",
                     versionStartIncluding: "5.16",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\nmctp: fix use after free\n\nClang static analysis reports this problem\nroute.c:425:4: warning: Use of memory after it is freed\n  trace_mctp_key_acquire(key);\n  ^~~~~~~~~~~~~~~~~~~~~~~~~~~\nWhen mctp_key_add() fails, key is freed but then is later\nused in trace_mctp_key_acquire().  Add an else statement\nto use the key only when mctp_key_add() is successful.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mctp: corregir el use after free El análisis estático de Clang informa este problema route.c:425:4: advertencia: uso de la memoria después de liberarla trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Cuando mctp_key_add() falla, la clave se libera pero luego se usa en trace_mctp_key_acquire(). Agregue una declaración else para usar la clave solo cuando mctp_key_add() sea exitoso.",
      },
   ],
   id: "CVE-2022-48782",
   lastModified: "2024-11-21T07:34:00.750",
   metrics: {
      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: "2024-07-16T12:15:03.290",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Mailing List",
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Mailing List",
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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