fkie_cve-2024-50024
Vulnerability from fkie_nvd
Published
2024-10-21 20:15
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: net: Fix an unsafe loop on the list The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access of bad area, sig: 11 [#1] ... NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0 LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0 Call Trace: __netlink_clear_multicast_users+0x74/0xc0 genl_unregister_family+0xd4/0x2d0 Change the unsafe loop on the list to a safe one, because inside the loop there is an element removal from this list.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1cdec792b2450105b1314c5123a9a0452cb2c2f0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1dae9f1187189bc09ff6d25ca97ead711f7e26f9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3be342e0332a7c83eb26fbb22bf156fdca467a5dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/464801a0f6ccb52b21faa33bac6014fd74cc5e10
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/49f9b726bf2bf3dd2caf0d27cadf4bc1ccf7a7ddPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5f03a7f601f33cda1f710611625235dc86fd8a9ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/68ad5da6ca630a276f0a5c924179e57724d00013Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e0766fcf37ad8eed289dd3853628dd9b01b58b0
Impacted products
Vendor Product Version
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


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "BF903132-A3AF-4A91-AFA9-3C8A9C378FAE",
                     versionEndExcluding: "5.10.227",
                     versionStartIncluding: "2.6.32",
                     vulnerable: true,
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                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                     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: "6.11.4",
                     versionStartIncluding: "6.7",
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                     criteria: "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*",
                     matchCriteriaId: "7F361E1D-580F-4A2D-A509-7615F73167A1",
                     vulnerable: true,
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                     vulnerable: true,
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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\nnet: Fix an unsafe loop on the list\n\nThe kernel may crash when deleting a genetlink family if there are still\nlisteners for that family:\n\nOops: Kernel access of bad area, sig: 11 [#1]\n  ...\n  NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0\n  LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0\n  Call Trace:\n__netlink_clear_multicast_users+0x74/0xc0\ngenl_unregister_family+0xd4/0x2d0\n\nChange the unsafe loop on the list to a safe one, because inside the\nloop there is an element removal from this list.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: Corrige un bucle inseguro en la lista El kernel puede bloquearse al eliminar una familia genetlink si aún hay oyentes para esa familia: Oops: Acceso al kernel al área incorrecta, sig: 11 [#1] ... NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0 LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0 Rastreo de llamadas: __netlink_clear_multicast_users+0x74/0xc0 genl_unregister_family+0xd4/0x2d0 Cambia el bucle inseguro en la lista a uno seguro, porque dentro del bucle hay una eliminación de elementos de esta lista.",
      },
   ],
   id: "CVE-2024-50024",
   lastModified: "2024-11-08T16:15:41.627",
   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: "2024-10-21T20:15:15.850",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
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      },
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         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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         url: "https://git.kernel.org/stable/c/8e0766fcf37ad8eed289dd3853628dd9b01b58b0",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-noinfo",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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