FKIE_CVE-2024-39503

Vulnerability from fkie_nvd - Published: 2024-07-12 13:15 - Updated: 2025-11-03 22:17
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type Lion Ackermann reported that there is a race condition between namespace cleanup in ipset and the garbage collection of the list:set type. The namespace cleanup can destroy the list:set type of sets while the gc of the set type is waiting to run in rcu cleanup. The latter uses data from the destroyed set which thus leads use after free. The patch contains the following parts: - When destroying all sets, first remove the garbage collectors, then wait if needed and then destroy the sets. - Fix the badly ordered "wait then remove gc" for the destroy a single set case. - Fix the missing rcu locking in the list:set type in the userspace test case. - Use proper RCU list handlings in the list:set type. The patch depends on c1193d9bbbd3 (netfilter: ipset: Add list flush to cancel_gc).
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f1bb77c6d837c9513943bc7c08f04c5cc5c6568Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2ba35b37f780c6410bb4bba9c3072596d8576702Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/390b353d1a1da3e9c6c0fd14fe650d69063c95d6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4e7aaa6b82d63e8ddcbfb56b4fd3d014ca586f10Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/90ae20d47de602198eb69e6cd7a3db3420abfc08Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/93b53c202b51a69e42ca57f5a183f7e008e19f83Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c0761d1f1ce1d5b85b5e82bbb714df12de1aa8c3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0f1bb77c6d837c9513943bc7c08f04c5cc5c6568Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2ba35b37f780c6410bb4bba9c3072596d8576702Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/390b353d1a1da3e9c6c0fd14fe650d69063c95d6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4e7aaa6b82d63e8ddcbfb56b4fd3d014ca586f10Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/90ae20d47de602198eb69e6cd7a3db3420abfc08Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/93b53c202b51a69e42ca57f5a183f7e008e19f83Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c0761d1f1ce1d5b85b5e82bbb714df12de1aa8c3Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
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 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: Fix race between namespace cleanup and gc in the list:set type\n\nLion Ackermann reported that there is a race condition between namespace cleanup\nin ipset and the garbage collection of the list:set type. The namespace\ncleanup can destroy the list:set type of sets while the gc of the set type is\nwaiting to run in rcu cleanup. The latter uses data from the destroyed set which\nthus leads use after free. The patch contains the following parts:\n\n- When destroying all sets, first remove the garbage collectors, then wait\n  if needed and then destroy the sets.\n- Fix the badly ordered \"wait then remove gc\" for the destroy a single set\n  case.\n- Fix the missing rcu locking in the list:set type in the userspace test\n  case.\n- Use proper RCU list handlings in the list:set type.\n\nThe patch depends on c1193d9bbbd3 (netfilter: ipset: Add list flush to cancel_gc)."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: ipset: corrige la ejecuci\u00f3n entre la limpieza del espacio de nombres y gc en el tipo list:set Lion Ackermann inform\u00f3 que existe una condici\u00f3n de ejecuci\u00f3n entre la limpieza del espacio de nombres en ipset y la recolecci\u00f3n de basura de la lista : establecer tipo. La limpieza del espacio de nombres puede destruir el tipo list:set de conjuntos mientras el gc del tipo set espera ejecutarse en la limpieza de rcu. Este \u00faltimo utiliza datos del conjunto destruido, lo que lleva a un uso posterior al gratuito. El parche contiene las siguientes partes: - Al destruir todos los conjuntos, primero retire los recolectores de basura, luego espere si es necesario y luego destruya los conjuntos. - Se corrigi\u00f3 el error \"esperar y luego eliminar gc\" mal ordenado para destruir un solo caso de conjunto. - Corrija el bloqueo de rcu que falta en la lista: establezca el tipo en el caso de prueba del espacio de usuario. - Utilice el manejo adecuado de la lista de RCU en el tipo list:set. El parche depende de c1193d9bbbd3 (netfilter: ipset: Agregar lista vaciada a cancel_gc)."
    }
  ],
  "id": "CVE-2024-39503",
  "lastModified": "2025-11-03T22:17:05.903",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-07-12T13:15:12.757",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        },
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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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.