FKIE_CVE-2022-48804

Vulnerability from fkie_nvd - Published: 2024-07-16 12:15 - Updated: 2024-11-21 07:34
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: vt_ioctl: fix array_index_nospec in vt_setactivate array_index_nospec ensures that an out-of-bounds value is set to zero on the transient path. Decreasing the value by one afterwards causes a transient integer underflow. vsa.console should be decreased first and then sanitized with array_index_nospec. Kasper Acknowledgements: Jakob Koschel, Brian Johannesmeyer, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida from the VUSec group at VU Amsterdam.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/170325aba4608bde3e7d21c9c19b7bc266ac0885Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2a45a6bd1e6d651770aafff57ab3e1d3bb0b42e0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/61cc70d9e8ef5b042d4ed87994d20100ec8896d9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6550bdf52846f85a2a3726a5aa0c7c4399f2fc02Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/778302ca09498b448620edd372dc908bebf80bdfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/830c5aa302ec16b4ee641aec769462c37f802c90Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae3d57411562260ee3f4fd5e875f410002341104Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ffe54289b02e9c732d6f04c8ebbe3b2d90d32118Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/170325aba4608bde3e7d21c9c19b7bc266ac0885Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2a45a6bd1e6d651770aafff57ab3e1d3bb0b42e0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/61cc70d9e8ef5b042d4ed87994d20100ec8896d9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6550bdf52846f85a2a3726a5aa0c7c4399f2fc02Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/778302ca09498b448620edd372dc908bebf80bdfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/830c5aa302ec16b4ee641aec769462c37f802c90Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ae3d57411562260ee3f4fd5e875f410002341104Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ffe54289b02e9c732d6f04c8ebbe3b2d90d32118Patch
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 5.17
linux linux_kernel 5.17
linux linux_kernel 5.17
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvt_ioctl: fix array_index_nospec in vt_setactivate\n\narray_index_nospec ensures that an out-of-bounds value is set to zero\non the transient path. Decreasing the value by one afterwards causes\na transient integer underflow. vsa.console should be decreased first\nand then sanitized with array_index_nospec.\n\nKasper Acknowledgements: Jakob Koschel, Brian Johannesmeyer, Kaveh\nRazavi, Herbert Bos, Cristiano Giuffrida from the VUSec group at VU\nAmsterdam."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: vt_ioctl: corrige array_index_nospec en vt_setactivate array_index_nospec garantiza que un valor fuera de los l\u00edmites se establezca en cero en la ruta transitoria. Disminuir el valor en uno posteriormente provoca un desbordamiento de enteros transitorio. vsa.console debe reducirse primero y luego desinfectarse con array_index_nospec. Agradecimientos de Kasper: Jakob Koschel, Brian Johannesmeyer, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida del grupo VUSec en VU Amsterdam."
    }
  ],
  "id": "CVE-2022-48804",
  "lastModified": "2024-11-21T07:34:07.233",
  "metrics": {
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        "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"
      }
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  "published": "2024-07-16T12:15:04.830",
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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