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

Vulnerability from cvelistv5 – Published: 2025-05-05 14:53 – Updated: 2025-05-09 08:06
VLAI?
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: be8704ff07d2374bcc5c675526f95e70c6459683 , < 7197fc4acdf238ec8ad06de5a8235df0c1f9c7d7 (git)
Affected: be8704ff07d2374bcc5c675526f95e70c6459683 , < 3846e2bea565ee1c5195dcc625fda9868fb0e3b3 (git)
Affected: be8704ff07d2374bcc5c675526f95e70c6459683 , < 81f6d0530ba031b5f038a091619bf2ff29568852 (git)
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    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)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/linux/bpf.h",
            "kernel/bpf/verifier.c"
          ],
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          "vendor": "Linux",
          "versions": [
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          "vendor": "Linux",
          "versions": [
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              "version": "5.6"
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              "version": "6.6.90",
              "versionType": "semver"
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              "version": "6.12.25",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
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      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-09T08:06:09.147Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/7197fc4acdf238ec8ad06de5a8235df0c1f9c7d7"
        },
        {
          "url": "https://git.kernel.org/stable/c/3846e2bea565ee1c5195dcc625fda9868fb0e3b3"
        },
        {
          "url": "https://git.kernel.org/stable/c/81f6d0530ba031b5f038a091619bf2ff29568852"
        }
      ],
      "title": "bpf: check changes_pkt_data property for extension programs",
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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": "2025-05-09T08:06:09.147Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-58100\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-05T15:15:53.913\",\"lastModified\":\"2025-11-10T17:35:41.117\",\"vulnStatus\":\"Analyzed\",\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.6\",\"versionEndExcluding\":\"6.6.90\",\"matchCriteriaId\":\"639CB8B7-A013-410F-ACC9-35ADBDE2AC4C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.25\",\"matchCriteriaId\":\"8E59EE65-FA6B-4AE4-8125-26135E28BF35\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A073481-106D-4B15-B4C7-FB0213B8E1D4\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3846e2bea565ee1c5195dcc625fda9868fb0e3b3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7197fc4acdf238ec8ad06de5a8235df0c1f9c7d7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/81f6d0530ba031b5f038a091619bf2ff29568852\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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