fkie_cve-2024-50251
Vulnerability from fkie_nvd
Published
2024-11-09 11:15
Modified
2024-11-21 09:44
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_payload: sanitize offset and length before calling skb_checksum() If access to offset + length is larger than the skbuff length, then skb_checksum() triggers BUG_ON(). skb_checksum() internally subtracts the length parameter while iterating over skbuff, BUG_ON(len) at the end of it checks that the expected length to be included in the checksum calculation is fully consumed.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0ab3be58b45b996764aba0187b46de19b3e58a72Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a661ed364ae6ae88c2fafa9ddc27df1af2a73701Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac7df3fc80fc82bcc3b1e8f6ebc0d2c435d0c534Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b1d2de8a669fa14c499a385e056944d5352b3b40Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c43e0ea848e7b9bef7a682cbc5608022d6d29d7bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3217323525f7596427124359e76ea0d8fcc9874Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d5953d680f7e96208c29ce4139a0e38de87a57fePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e3e608cbad376674d19a71ccd0d41804d9393f02Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/slavin-ayu/CVE-2024-50251-PoC
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 *
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_payload: sanitize offset and length before calling skb_checksum()\n\nIf access to offset + length is larger than the skbuff length, then\nskb_checksum() triggers BUG_ON().\n\nskb_checksum() internally subtracts the length parameter while iterating\nover skbuff, BUG_ON(len) at the end of it checks that the expected\nlength to be included in the checksum calculation is fully consumed."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nft_payload: desinfecta el desplazamiento y la longitud antes de llamar a skb_checksum() Si el acceso a desplazamiento + longitud es mayor que la longitud de skbuff, entonces skb_checksum() activa BUG_ON(). skb_checksum() resta internamente el par\u00e1metro de longitud mientras itera sobre skbuff, BUG_ON(len) al final verifica que la longitud esperada que se incluir\u00e1 en el c\u00e1lculo de la suma de comprobaci\u00f3n se haya consumido por completo."
    }
  ],
  "id": "CVE-2024-50251",
  "lastModified": "2024-11-21T09:44:24.423",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 2.5,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-11-09T11:15:10.900",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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}


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