FKIE_CVE-2024-27396

Vulnerability from fkie_nvd - Published: 2024-05-14 15:12 - Updated: 2025-01-14 14:26
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: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07b20d0a3dc13fb1adff10b60021a4924498da58Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0caff3e6390f840666b8dc1ecebf985c2ef3f1ddPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/25a1c2d4b1fcf938356a9688a96a6456abd44b29Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2aacd4de45477582993f8a8abb9505a06426bfb6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2e74b3fd6bf542349758f283676dff3660327c07Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/718df1bc226c383dd803397d7f5d95557eb81ac7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cd957d1716ec979d8f5bf38fc659aeb9fdaa2474Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f2a904107ee2b647bb7794a1a82b67740d7c8a64Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/07b20d0a3dc13fb1adff10b60021a4924498da58Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0caff3e6390f840666b8dc1ecebf985c2ef3f1ddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/25a1c2d4b1fcf938356a9688a96a6456abd44b29Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2aacd4de45477582993f8a8abb9505a06426bfb6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2e74b3fd6bf542349758f283676dff3660327c07Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/718df1bc226c383dd803397d7f5d95557eb81ac7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cd957d1716ec979d8f5bf38fc659aeb9fdaa2474Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f2a904107ee2b647bb7794a1a82b67740d7c8a64Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlMailing List
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 *
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
debian debian_linux 10.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: gtp: Fix Use-After-Free in gtp_dellink\n\nSince call_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof gtp_dellink, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\n\nTo prevent this, it should be changed to hlist_for_each_entry_safe."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: gtp: corrige Use-After-Free en gtp_dellink Dado que call_rcu, que se llama en el recorrido hlist_for_each_entry_rcu de gtp_dellink, no forma parte de la secci\u00f3n cr\u00edtica de lectura de RCU, es posible que el per\u00edodo de gracia de RCU pasar\u00e1 durante el recorrido y la clave quedar\u00e1 libre. Para evitar esto, se debe cambiar a hlist_for_each_entry_safe."
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  "id": "CVE-2024-27396",
  "lastModified": "2025-01-14T14:26:09.117",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2024-05-14T15:12:27.983",
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Sightings

Author Source Type Date

Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.