fkie_cve-2024-57925
Vulnerability from fkie_nvd
Published
2025-01-19 12:15
Modified
2025-02-27 21:59
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix a missing return value check bug In the smb2_send_interim_resp(), if ksmbd_alloc_work_struct() fails to allocate a node, it returns a NULL pointer to the in_work pointer. This can lead to an illegal memory write of in_work->response_buf when allocate_interim_rsp_buf() attempts to perform a kzalloc() on it. To address this issue, incorporating a check for the return value of ksmbd_alloc_work_struct() ensures that the function returns immediately upon allocation failure, thereby preventing the aforementioned illegal memory access.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/271ae0edbfc942795c162e6cf20d2bc02bd7fde4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2976e91a3e569cf2c92c9f71512c0ab1312fe965Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4c16e1cadcbcaf3c82d5fc310fbd34d0f5d0db7cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/781c743e18bfd9b7dc0383f036ae952bd1486f21Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee7e40f7fb17f08a8cbae50553e5c2e10ae32fcePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
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                     matchCriteriaId: "B98C9201-BF17-4E2C-84FF-75EE2AA94DC5",
                     versionEndExcluding: "5.16",
                     versionStartIncluding: "5.15.145",
                     vulnerable: true,
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                     vulnerable: true,
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               negate: false,
               operator: "OR",
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   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix a missing return value check bug\n\nIn the smb2_send_interim_resp(), if ksmbd_alloc_work_struct()\nfails to allocate a node, it returns a NULL pointer to the\nin_work pointer. This can lead to an illegal memory write of\nin_work->response_buf when allocate_interim_rsp_buf() attempts\nto perform a kzalloc() on it.\n\nTo address this issue, incorporating a check for the return\nvalue of ksmbd_alloc_work_struct() ensures that the function\nreturns immediately upon allocation failure, thereby preventing\nthe aforementioned illegal memory access.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: se corrige un error de comprobación del valor de retorno faltante En smb2_send_interim_resp(), si ksmbd_alloc_work_struct() no puede asignar un nodo, devuelve un puntero NULL al puntero in_work. Esto puede provocar una escritura de memoria ilegal de in_work->response_buf cuando allocate_interim_rsp_buf() intenta realizar un kzalloc() en él. Para solucionar este problema, la incorporación de una comprobación del valor de retorno de ksmbd_alloc_work_struct() garantiza que la función regrese inmediatamente después de un error de asignación, lo que evita el acceso ilegal a la memoria mencionado anteriormente.",
      },
   ],
   id: "CVE-2024-57925",
   lastModified: "2025-02-27T21:59:45.447",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 7.1,
               baseSeverity: "HIGH",
               confidentialityImpact: "NONE",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 5.2,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2025-01-19T12:15:26.617",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/271ae0edbfc942795c162e6cf20d2bc02bd7fde4",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
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         url: "https://git.kernel.org/stable/c/ee7e40f7fb17f08a8cbae50553e5c2e10ae32fce",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Analyzed",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-476",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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