fkie_cve-2024-50299
Vulnerability from fkie_nvd
Published
2024-11-19 02:16
Modified
2024-11-21 21:11
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: sctp: properly validate chunk size in sctp_sf_ootb() A size validation fix similar to that in Commit 50619dbf8db7 ("sctp: add size validation when walking chunks") is also required in sctp_sf_ootb() to address a crash reported by syzbot: BUG: KMSAN: uninit-value in sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166 sctp_endpoint_bh_rcv+0xc38/0xf90 net/sctp/endpointola.c:407 sctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88 sctp_rcv+0x3831/0x3b20 net/sctp/input.c:243 sctp4_rcv+0x42/0x50 net/sctp/protocol.c:1159 ip_protocol_deliver_rcu+0xb51/0x13d0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x336/0x500 net/ipv4/ip_input.c:233
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0ead60804b64f5bd6999eec88e503c6a1a242d41Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/40b283ba76665437bc2ac72079c51b57b25bff9ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/67b9a278b80f71ec62091ded97c6bcbea33b5ec3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8820d2d6589f62ee5514793fff9b50c9f8101182Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b5d42aeaf1a52f73b003a33da6deef7df34685fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a758aa6a773bb872196bcc3173171ef8996bddf0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf9bff13225baf5f658577f7d985fc4933d79527Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3fb3cc83cf313e4f87063ce0f3fea76b071567bPatch
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
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\nsctp: properly validate chunk size in sctp_sf_ootb()\n\nA size validation fix similar to that in Commit 50619dbf8db7 (\"sctp: add\nsize validation when walking chunks\") is also required in sctp_sf_ootb()\nto address a crash reported by syzbot:\n\n  BUG: KMSAN: uninit-value in sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712\n  sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712\n  sctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166\n  sctp_endpoint_bh_rcv+0xc38/0xf90 net/sctp/endpointola.c:407\n  sctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88\n  sctp_rcv+0x3831/0x3b20 net/sctp/input.c:243\n  sctp4_rcv+0x42/0x50 net/sctp/protocol.c:1159\n  ip_protocol_deliver_rcu+0xb51/0x13d0 net/ipv4/ip_input.c:205\n  ip_local_deliver_finish+0x336/0x500 net/ipv4/ip_input.c:233"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sctp: validar correctamente el tama\u00f1o de los fragmentos en sctp_sf_ootb() Tambi\u00e9n se requiere una correcci\u00f3n de validaci\u00f3n de tama\u00f1o similar a la del Commit 50619dbf8db7 (\"sctp: agregar validaci\u00f3n de tama\u00f1o al recorrer fragmentos\") en sctp_sf_ootb() para abordar un fallo informado por syzbot: ERROR: KMSAN: valor no inicializado en sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166 sctp_endpoint_bh_rcv+0xc38/0xf90 red/sctp/endpointola.c:407 sctp_inq_push+0x2ef/0x380 red/sctp/inqueue.c:88 sctp_rcv+0x3831/0x3b20 red/sctp/input.c:243 sctp4_rcv+0x42/0x50 red/sctp/protocol.c:1159 ip_protocol_deliver_rcu+0xb51/0x13d0 red/ipv4/ip_input.c:205 ip_local_deliver_finish+0x336/0x500 red/ipv4/ip_input.c:233"
    }
  ],
  "id": "CVE-2024-50299",
  "lastModified": "2024-11-21T21:11:43.917",
  "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": "2024-11-19T02:16:32.053",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-908"
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      "source": "nvd@nist.gov",
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}


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