Vulnerability-Lookup

FKIE_CVE-2024-58100

Vulnerability from fkie_nvd - Published: 2025-05-05 15:15 - Updated: 2026-10-15 22:18

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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: bpf: check changes_pkt_data property for extension programs When processing calls to global sub-programs, verifier decides whether to invalidate all packet pointers in current state depending on the changes_pkt_data property of the global sub-program. Because of this, an extension program replacing a global sub-program must be compatible with changes_pkt_data property of the sub-program being replaced. This commit: - adds changes_pkt_data flag to struct bpf_prog_aux: - this flag is set in check_cfg() for main sub-program; - in jit_subprogs() for other sub-programs; - modifies bpf_check_attach_btf_id() to check changes_pkt_data flag; - moves call to check_attach_btf_id() after the call to check_cfg(), because it needs changes_pkt_data flag to be set: bpf_check: ... ... - check_attach_btf_id resolve_pseudo_ldimm64 resolve_pseudo_ldimm64 --> bpf_prog_is_offloaded bpf_prog_is_offloaded check_cfg check_cfg + check_attach_btf_id ... ... The following fields are set by check_attach_btf_id(): - env->ops - prog->aux->attach_btf_trace - prog->aux->attach_func_name - prog->aux->attach_func_proto - prog->aux->dst_trampoline - prog->aux->mod - prog->aux->saved_dst_attach_type - prog->aux->saved_dst_prog_type - prog->expected_attach_type Neither of these fields are used by resolve_pseudo_ldimm64() or bpf_prog_offload_verifier_prep() (for netronome and netdevsim drivers), so the reordering is safe.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3846e2bea565ee1c5195dcc625fda9868fb0e3b3	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7197fc4acdf238ec8ad06de5a8235df0c1f9c7d7	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/81f6d0530ba031b5f038a091619bf2ff29568852	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.13
linux	linux_kernel	6.13

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/linux/bpf.h",
            "kernel/bpf/verifier.c"
          ],
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          "vendor": "Linux",
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              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
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              "status": "affected",
              "version": "be8704ff07d2374bcc5c675526f95e70c6459683",
              "versionType": "git"
            }
          ]
        },
        {
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          "product": "Linux",
          "programFiles": [
            "include/linux/bpf.h",
            "kernel/bpf/verifier.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.6"
            },
            {
              "lessThan": "5.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.90",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.25",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: check changes_pkt_data property for extension programs\n\nWhen processing calls to global sub-programs, verifier decides whether\nto invalidate all packet pointers in current state depending on the\nchanges_pkt_data property of the global sub-program.\n\nBecause of this, an extension program replacing a global sub-program\nmust be compatible with changes_pkt_data property of the sub-program\nbeing replaced.\n\nThis commit:\n- adds changes_pkt_data flag to struct bpf_prog_aux:\n  - this flag is set in check_cfg() for main sub-program;\n  - in jit_subprogs() for other sub-programs;\n- modifies bpf_check_attach_btf_id() to check changes_pkt_data flag;\n- moves call to check_attach_btf_id() after the call to check_cfg(),\n  because it needs changes_pkt_data flag to be set:\n\n    bpf_check:\n      ...                             ...\n    - check_attach_btf_id             resolve_pseudo_ldimm64\n      resolve_pseudo_ldimm64   --\u003e    bpf_prog_is_offloaded\n      bpf_prog_is_offloaded           check_cfg\n      check_cfg                     + check_attach_btf_id\n      ...                             ...\n\nThe following fields are set by check_attach_btf_id():\n- env-\u003eops\n- prog-\u003eaux-\u003eattach_btf_trace\n- prog-\u003eaux-\u003eattach_func_name\n- prog-\u003eaux-\u003eattach_func_proto\n- prog-\u003eaux-\u003edst_trampoline\n- prog-\u003eaux-\u003emod\n- prog-\u003eaux-\u003esaved_dst_attach_type\n- prog-\u003eaux-\u003esaved_dst_prog_type\n- prog-\u003eexpected_attach_type\n\nNeither of these fields are used by resolve_pseudo_ldimm64() or\nbpf_prog_offload_verifier_prep() (for netronome and netdevsim\ndrivers), so the reordering is safe."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: comprobar la propiedad changes_pkt_data para programas de extensi\u00f3n Al procesar llamadas a subprogramas globales, el verificador decide si invalidar todos los punteros de paquete en el estado actual dependiendo de la propiedad changes_pkt_data del subprograma global. Debido a esto, un programa de extensi\u00f3n que reemplaza un subprograma global debe ser compatible con la propiedad changes_pkt_data del subprograma que se est\u00e1 reemplazando. Esta confirmaci\u00f3n: - a\u00f1ade el indicador changes_pkt_data a struct bpf_prog_aux: - este indicador se establece en check_cfg() para el subprograma principal; - en jit_subprogs() para otros subprogramas; - modifica bpf_check_attach_btf_id() para comprobar el indicador changes_pkt_data; - mueve la llamada a check_attach_btf_id() despu\u00e9s de la llamada a check_cfg(), porque necesita que se configure el indicador changes_pkt_data: bpf_check: ... ... - check_attach_btf_id resolve_pseudo_ldimm64 resolve_pseudo_ldimm64 --\u0026gt; bpf_prog_is_offloaded bpf_prog_is_offloaded check_cfg check_cfg + check_attach_btf_id ... ... Los siguientes campos se configuran mediante check_attach_btf_id(): - env-\u0026gt;ops - prog-\u0026gt;aux-\u0026gt;attach_btf_trace - prog-\u0026gt;aux-\u0026gt;attach_func_name - prog-\u0026gt;aux-\u0026gt;attach_func_proto - prog-\u0026gt;aux-\u0026gt;dst_trampoline - prog-\u0026gt;aux-\u0026gt;mod - prog-\u0026gt;aux-\u0026gt;saved_dst_attach_type - prog-\u0026gt;aux-\u0026gt;saved_dst_prog_type - prog-\u0026gt;expected_attach_type Ninguno de estos campos es utilizado por resolve_pseudo_ldimm64() o bpf_prog_offload_verifier_prep() (para los controladores netronome y netdevsim), por lo que el reordenamiento es seguro."
    }
  ],
  "id": "CVE-2024-58100",
  "lastModified": "2026-10-15T22:18:06.013",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "LOW",
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "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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        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
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          "baseScore": 5.5,
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          "integrityImpact": "NONE",
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          "userInteraction": "NONE",
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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          "role": "CISA Coordinator",
          "timestamp": "2026-10-15T21:42:20.766828Z",
          "version": "2.0.3"
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  "published": "2025-05-05T15:15:53.913",
  "references": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "NVD-CWE-noinfo"
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      "source": "nvd@nist.gov",
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    }
  ]
}

CVE-2024-58100 (GCVE-0-2024-58100)

Vulnerability from cvelistv5 – Published: 2025-05-05 14:53 – Updated: 2026-10-15 21:51

Title

bpf: check changes_pkt_data property for extension programs

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-15 21:42 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7063 records in the last 180 days details

References

3 references

URL	Tags
https://git.kernel.org/stable/c/7197fc4acdf238ec8…
https://git.kernel.org/stable/c/3846e2bea565ee1c5…
https://git.kernel.org/stable/c/81f6d0530ba031b5f…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: be8704ff07d2374bcc5c675526f95e70c6459683 , < 7197fc4acdf238ec8ad06de5a8235df0c1f9c7d7 (git) Affected: be8704ff07d2374bcc5c675526f95e70c6459683 , < 3846e2bea565ee1c5195dcc625fda9868fb0e3b3 (git) Affected: be8704ff07d2374bcc5c675526f95e70c6459683 , < 81f6d0530ba031b5f038a091619bf2ff29568852 (git)
Linux	Linux	Affected: 5.6 Unaffected: 0 , < 5.6 (semver) Unaffected: 6.6.90 , ≤ 6.6.* (semver) Unaffected: 6.12.25 , ≤ 6.12.* (semver) Unaffected: 6.13 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-58100",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-15T21:42:20.766828Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-15T21:51:51.123Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
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          "versions": [
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              "version": "6.13",
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          "scenarios": [
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              "lang": "en",
              "value": "AV:L - The attack requires loading a tc/XDP program and an freplace extension program through the local bpf() syscall; a remote peer cannot supply BPF bytecode. Although the corrupting store fires when a packet traverses the tc/XDP hook, the vulnerable path is entered locally.\nAC:L - Exploitation is fully deterministic \u2014 load a global subprog that does not touch packet data, replace it via freplace with one calling bpf_skb_pull_data(), and the caller\u0027s stale packet pointer is used unconditionally on the next packet. No race and no uncontrolled memory-layout condition is involved.\nPR:L - BPF_PROG_TYPE_EXT is a net-admin prog type requiring CAP_BPF+CAP_NET_ADMIN, but these are routinely delegated into user namespaces via BPF tokens (BPF_F_TOKEN_FD) and are held by ordinary eBPF-based container networking workloads, so the attacker need not be root on the host.\nUI:N - The attacker loads and attaches both programs and can generate the triggering packet themselves (e.g. over loopback). No victim action is required.\nS:U - The corrupted memory is kernel heap belonging to the same kernel security authority; this is a standard local privilege escalation, not a VM/IOMMU boundary crossing.\nC:H - The stale packet pointer reads freed/reallocated slab memory beyond the packet, and the BPF program can copy that data into a map readable from userspace, giving an arbitrary kernel-heap disclosure primitive.\nI:H - Direct packet stores through the stale pointer become use-after-free (or out-of-bounds, with skb_change_tail/xdp_adjust_tail) writes at an attacker-chosen offset with an attacker-chosen value \u2014 an arbitrary kernel write suitable for control-flow hijacking and privilege escalation.\nA:H - Writing into a freed skb head corrupts slab metadata and neighbouring objects, reliably producing kernel oops/panic even when full exploitation is not achieved."
            }
          ]
        }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-58100",
    "datePublished": "2025-05-05T14:53:33.445Z",
    "dateReserved": "2025-03-06T15:52:09.189Z",
    "dateUpdated": "2026-10-15T21:51:51.123Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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