fkie_cve-2024-49975
Vulnerability from fkie_nvd
Published
2024-10-21 18:15
Modified
2024-11-08 16:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: uprobes: fix kernel info leak via "[uprobes]" vma xol_add_vma() maps the uninitialized page allocated by __create_xol_area() into userspace. On some architectures (x86) this memory is readable even without VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ, although this doesn't really matter, debugger can read this memory anyway.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/21cb47db1ec9765f91304763a24565ddc22d2492Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24141df5a8615790950deedd926a44ddf1dfd6d8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2aa45f43709ba2082917bd2973d02687075b6eeePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/34820304cc2cd1804ee1f8f3504ec77813d29c8ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5b981d8335e18aef7908a068529a3287258ff6d8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9634e8dc964a4adafa7e1535147abd7ec29441a6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f31f92107e5a8ecc8902705122c594e979a351fe
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f561b48d633ac2e7d0d667020fc634a96ade33a0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fe5e9182d3e227476642ae2b312e2356c4d326a3
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.12


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "F8F34E94-54BD-4509-83CE-8416B1B0CCDF",
                     versionEndExcluding: "5.10.227",
                     versionStartIncluding: "3.5",
                     vulnerable: true,
                  },
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                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                     versionEndExcluding: "6.6.55",
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                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "4C16BCE0-FFA0-4599-BE0A-1FD65101C021",
                     versionEndExcluding: "6.10.14",
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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\nuprobes: fix kernel info leak via \"[uprobes]\" vma\n\nxol_add_vma() maps the uninitialized page allocated by __create_xol_area()\ninto userspace. On some architectures (x86) this memory is readable even\nwithout VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ,\nalthough this doesn't really matter, debugger can read this memory anyway.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: uprobes: se corrige la fuga de información del kernel a través de \"[uprobes]\" vma xol_add_vma() asigna la página no inicializada asignada por __create_xol_area() al espacio de usuario. En algunas arquitecturas (x86), esta memoria se puede leer incluso sin VM_READ, VM_EXEC da como resultado el mismo pgprot_t que VM_EXEC|VM_READ, aunque esto realmente no importa, el depurador puede leer esta memoria de todos modos.",
      },
   ],
   id: "CVE-2024-49975",
   lastModified: "2024-11-08T16:15:39.407",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-10-21T18:15:18.287",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/21cb47db1ec9765f91304763a24565ddc22d2492",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      },
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      },
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         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         url: "https://git.kernel.org/stable/c/fe5e9182d3e227476642ae2b312e2356c4d326a3",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-401",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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