CVE-2025-38402

{
  "id": "CVE-2025-38402",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "02cbfba1add5bd9088c7d14c6b93b77a6ea8f3bb",
              "lessThan": "018ff57fd79c38be989b8b3248bbe69bcfb77160",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "02cbfba1add5bd9088c7d14c6b93b77a6ea8f3bb",
              "lessThan": "326e384ee7acbebf0541ac064ac7a4dd1f1dde1d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "02cbfba1add5bd9088c7d14c6b93b77a6ea8f3bb",
              "lessThan": "f77bf1ebf8ff6301ccdbc346f7b52db928f9cbf8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf_ethtool.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.7",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.37",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.15.6",
              "versionType": "semver",
              "lessThanOrEqual": "6.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf_ethtool.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-07-25T13:15:29.780",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/018ff57fd79c38be989b8b3248bbe69bcfb77160",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/326e384ee7acbebf0541ac064ac7a4dd1f1dde1d",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f77bf1ebf8ff6301ccdbc346f7b52db928f9cbf8",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: return 0 size for RSS key if not supported\n\nReturning -EOPNOTSUPP from function returning u32 is leading to\ncast and invalid size value as a result.\n\n-EOPNOTSUPP as a size probably will lead to allocation fail.\n\nCommand: ethtool -x eth0\nIt is visible on all devices that don't have RSS caps set.\n\n[  136.615917] Call Trace:\n[  136.615921]  <TASK>\n[  136.615927]  ? __warn+0x89/0x130\n[  136.615942]  ? __alloc_frozen_pages_noprof+0x322/0x330\n[  136.615953]  ? report_bug+0x164/0x190\n[  136.615968]  ? handle_bug+0x58/0x90\n[  136.615979]  ? exc_invalid_op+0x17/0x70\n[  136.615987]  ? asm_exc_invalid_op+0x1a/0x20\n[  136.616001]  ? rss_prepare_get.constprop.0+0xb9/0x170\n[  136.616016]  ? __alloc_frozen_pages_noprof+0x322/0x330\n[  136.616028]  __alloc_pages_noprof+0xe/0x20\n[  136.616038]  ___kmalloc_large_node+0x80/0x110\n[  136.616072]  __kmalloc_large_node_noprof+0x1d/0xa0\n[  136.616081]  __kmalloc_noprof+0x32c/0x4c0\n[  136.616098]  ? rss_prepare_get.constprop.0+0xb9/0x170\n[  136.616105]  rss_prepare_get.constprop.0+0xb9/0x170\n[  136.616114]  ethnl_default_doit+0x107/0x3d0\n[  136.616131]  genl_family_rcv_msg_doit+0x100/0x160\n[  136.616147]  genl_rcv_msg+0x1b8/0x2c0\n[  136.616156]  ? __pfx_ethnl_default_doit+0x10/0x10\n[  136.616168]  ? __pfx_genl_rcv_msg+0x10/0x10\n[  136.616176]  netlink_rcv_skb+0x58/0x110\n[  136.616186]  genl_rcv+0x28/0x40\n[  136.616195]  netlink_unicast+0x19b/0x290\n[  136.616206]  netlink_sendmsg+0x222/0x490\n[  136.616215]  __sys_sendto+0x1fd/0x210\n[  136.616233]  __x64_sys_sendto+0x24/0x30\n[  136.616242]  do_syscall_64+0x82/0x160\n[  136.616252]  ? __sys_recvmsg+0x83/0xe0\n[  136.616265]  ? syscall_exit_to_user_mode+0x10/0x210\n[  136.616275]  ? do_syscall_64+0x8e/0x160\n[  136.616282]  ? __count_memcg_events+0xa1/0x130\n[  136.616295]  ? count_memcg_events.constprop.0+0x1a/0x30\n[  136.616306]  ? handle_mm_fault+0xae/0x2d0\n[  136.616319]  ? do_user_addr_fault+0x379/0x670\n[  136.616328]  ? clear_bhb_loop+0x45/0xa0\n[  136.616340]  ? clear_bhb_loop+0x45/0xa0\n[  136.616349]  ? clear_bhb_loop+0x45/0xa0\n[  136.616359]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[  136.616369] RIP: 0033:0x7fd30ba7b047\n[  136.616376] Code: 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 80 3d bd d5 0c 00 00 41 89 ca 74 10 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 71 c3 55 48 83 ec 30 44 89 4c 24 2c 4c 89 44\n[  136.616381] RSP: 002b:00007ffde1796d68 EFLAGS: 00000202 ORIG_RAX: 000000000000002c\n[  136.616388] RAX: ffffffffffffffda RBX: 000055d7bd89f2a0 RCX: 00007fd30ba7b047\n[  136.616392] RDX: 0000000000000028 RSI: 000055d7bd89f3b0 RDI: 0000000000000003\n[  136.616396] RBP: 00007ffde1796e10 R08: 00007fd30bb4e200 R09: 000000000000000c\n[  136.616399] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d7bd89f340\n[  136.616403] R13: 000055d7bd89f3b0 R14: 000055d78943f200 R15: 0000000000000000"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: idpf: devolver un tamaño 0 para la clave RSS si no se admite. Devolver -EOPNOTSUPP desde una función que devuelve u32 provoca una conversión y, como resultado, un valor de tamaño no válido. Usar -EOPNOTSUPP como tamaño probablemente provocará un error de asignación. Comando: ethtool -x eth0. Es visible en todos los dispositivos que no tienen configurados los límites RSS. [ 136.615917] Call Trace: [ 136.615921]  [ 136.615927] ? __warn+0x89/0x130 [ 136.615942] ? __alloc_frozen_pages_noprof+0x322/0x330 [ 136.615953] ? report_bug+0x164/0x190 [ 136.615968] ? handle_bug+0x58/0x90 [ 136.615979] ? exc_invalid_op+0x17/0x70 [ 136.615987] ? asm_exc_invalid_op+0x1a/0x20 [ 136.616001] ? rss_prepare_get.constprop.0+0xb9/0x170 [ 136.616016] ? __alloc_frozen_pages_noprof+0x322/0x330 [ 136.616028] __alloc_pages_noprof+0xe/0x20 [ 136.616038] ___kmalloc_large_node+0x80/0x110 [ 136.616072] __kmalloc_large_node_noprof+0x1d/0xa0 [ 136.616081] __kmalloc_noprof+0x32c/0x4c0 [ 136.616098] ? rss_prepare_get.constprop.0+0xb9/0x170 [ 136.616105] rss_prepare_get.constprop.0+0xb9/0x170 [ 136.616114] ethnl_default_doit+0x107/0x3d0 [ 136.616131] genl_family_rcv_msg_doit+0x100/0x160 [ 136.616147] genl_rcv_msg+0x1b8/0x2c0 [ 136.616156] ? __pfx_ethnl_default_doit+0x10/0x10 [ 136.616168] ? __pfx_genl_rcv_msg+0x10/0x10 [ 136.616176] netlink_rcv_skb+0x58/0x110 [ 136.616186] genl_rcv+0x28/0x40 [ 136.616195] netlink_unicast+0x19b/0x290 [ 136.616206] netlink_sendmsg+0x222/0x490 [ 136.616215] __sys_sendto+0x1fd/0x210 [ 136.616233] __x64_sys_sendto+0x24/0x30 [ 136.616242] do_syscall_64+0x82/0x160 [ 136.616252] ? __sys_recvmsg+0x83/0xe0 [ 136.616265] ? syscall_exit_to_user_mode+0x10/0x210 [ 136.616275] ? do_syscall_64+0x8e/0x160 [ 136.616282] ? __count_memcg_events+0xa1/0x130 [ 136.616295] ? count_memcg_events.constprop.0+0x1a/0x30 [ 136.616306] ? handle_mm_fault+0xae/0x2d0 [ 136.616319] ? do_user_addr_fault+0x379/0x670 [ 136.616328] ? clear_bhb_loop+0x45/0xa0 [ 136.616340] ? clear_bhb_loop+0x45/0xa0 [ 136.616349] ? clear_bhb_loop+0x45/0xa0 [ 136.616359] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 136.616369] RIP: 0033:0x7fd30ba7b047 [ 136.616376] Code: 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 80 3d bd d5 0c 00 00 41 89 ca 74 10 b8 2c 00 00 00 0f 05 &lt;48&gt; 3d 00 f0 ff ff 77 71 c3 55 48 83 ec 30 44 89 4c 24 2c 4c 89 44 [ 136.616381] RSP: 002b:00007ffde1796d68 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 136.616388] RAX: ffffffffffffffda RBX: 000055d7bd89f2a0 RCX: 00007fd30ba7b047 [ 136.616392] RDX: 0000000000000028 RSI: 000055d7bd89f3b0 RDI: 0000000000000003 [ 136.616396] RBP: 00007ffde1796e10 R08: 00007fd30bb4e200 R09: 000000000000000c [ 136.616399] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d7bd89f340 [ 136.616403] R13: 000055d7bd89f3b0 R14: 000055d78943f200 R15: 0000000000000000"
    }
  ],
  "lastModified": "2026-06-17T09:16:47.270",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6B4159AA-C70D-4DE5-9EE2-8F2728F13C5D",
              "versionEndExcluding": "6.12.37",
              "versionStartIncluding": "6.7"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6E0BB4E0-44BC-4645-83A8-6EA232CE624C",
              "versionEndExcluding": "6.15.6",
              "versionStartIncluding": "6.13"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6D4894DB-CCFE-4602-B1BF-3960B2E19A01"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "09709862-E348-4378-8632-5A7813EDDC86"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "415BF58A-8197-43F5-B3D7-D1D63057A26E"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A0517869-312D-4429-80C2-561086E1421C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}