{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/ice/ice_vf_lib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b409a9dc37db8bd798122fc5bcdcfaccaf80db1e",
              "status": "affected",
              "version": "da62c5ff9dcdac67204d6647f3cd43ad931a59f4",
              "versionType": "git"
            },
            {
              "lessThan": "335c2dd21ad9d520102906f96edb99fd5e89ac32",
              "status": "affected",
              "version": "da62c5ff9dcdac67204d6647f3cd43ad931a59f4",
              "versionType": "git"
            },
            {
              "lessThan": "87a042e45bf4870dc75ea05b4fc0286abecb2a4d",
              "status": "affected",
              "version": "da62c5ff9dcdac67204d6647f3cd43ad931a59f4",
              "versionType": "git"
            },
            {
              "lessThan": "dd6d8e4412f805937f61f00bbfdfe831978be235",
              "status": "affected",
              "version": "da62c5ff9dcdac67204d6647f3cd43ad931a59f4",
              "versionType": "git"
            },
            {
              "lessThan": "b1fc5bafbc5f84df457b6f987ac993e0802f8d93",
              "status": "affected",
              "version": "da62c5ff9dcdac67204d6647f3cd43ad931a59f4",
              "versionType": "git"
            },
            {
              "lessThan": "ebbe8868cf473f698e0fbaf436d2618b2bcda806",
              "status": "affected",
              "version": "da62c5ff9dcdac67204d6647f3cd43ad931a59f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/ice/ice_vf_lib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.178",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()\n\nResetting all VFs causes resource leak on VFs with FDIR filters\nenabled as CTRL VSIs are only invalidated and not freed. Fix by using\nice_vf_ctrl_vsi_release() instead of ice_vf_ctrl_invalidate_vsi() which\naligns behavior with the ice_reset_vf() function.\n\nReproduction:\n  echo 1 \u003e /sys/class/net/$pf/device/sriov_numvfs\n  ethtool -N $vf flow-type ether proto 0x9000 action 0\n  echo 1 \u003e /sys/class/net/$pf/device/reset"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is reached via local host interfaces only: VF virtchnl mailbox messages (VIRTCHNL_OP_ADD_FDIR_FILTER) to create per-VF FDIR ctrl VSIs, and PF-wide reset paths (PCI sysfs reset, ethtool-driven PFR/CORER/GLOBR) that call ice_reset_all_vfs(); no network packet receive path is involved.\nAC:L - Once a VF has created an FDIR rule (which allocates the per-VF ctrl VSI), each PF-wide reset deterministically leaks that ctrl VSI because ice_reset_all_vfs() only invalidated ctrl_vsi_idx instead of calling ice_vf_ctrl_vsi_release(); the commit reproduces this reliably and the attacker controls the FDIR setup side of the race.\nPR:N - No host root or CAP_SYS_ADMIN is required on the vulnerable host: a tenant with an assigned SR-IOV VF can negotiate VIRTCHNL_VF_OFFLOAD_FDIR_PF and send VIRTCHNL_OP_ADD_FDIR_FILTER over the VF mailbox to create the ctrl VSI; PF-wide resets occur during normal firmware/PCI/driver recovery without further host credentials.\nUI:N - Exploitation does not require any victim user action such as opening files or clicking links; a malicious VM tenant programs FDIR filters via the standard iAVF virtchnl interface and the leak triggers automatically on subsequent PF-wide reset events.\nS:C - The vulnerable ice driver runs in the host kernel but is triggered from an SR-IOV VF guest security domain; leaked ctrl VSIs consume finite pf-\u003evsi slots and hardware VSI resources on the host, degrading or denying NIC functionality for the hypervisor and other VMs on the same PF.\nC:N - This is a kernel resource leak (orphaned ICE_VSI_CTRL structures and associated queue/MSI-X/FDIR hardware resources) without out-of-bounds read, use-after-free, or other memory disclosure primitive; no confidential data is exposed.\nI:N - The flaw only fails to call ice_vsi_release()/ice_vsi_delete_from_hw() for per-VF ctrl VSIs during ice_reset_all_vfs(); it does not corrupt memory, modify data, or provide write or code-execution primitives.\nA:H - Each leaked ctrl VSI permanently consumes a limited VSI slot (pf-\u003enum_alloc_vsi) and hardware resources; repeated PF-wide resets with FDIR-enabled VFs can exhaust the VSI pool causing ice_vsi_alloc() failure and denial of network service for the host and all co-resident VFs on the NIC."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:44:05.008Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b409a9dc37db8bd798122fc5bcdcfaccaf80db1e"
        },
        {
          "url": "https://git.kernel.org/stable/c/335c2dd21ad9d520102906f96edb99fd5e89ac32"
        },
        {
          "url": "https://git.kernel.org/stable/c/87a042e45bf4870dc75ea05b4fc0286abecb2a4d"
        },
        {
          "url": "https://git.kernel.org/stable/c/dd6d8e4412f805937f61f00bbfdfe831978be235"
        },
        {
          "url": "https://git.kernel.org/stable/c/b1fc5bafbc5f84df457b6f987ac993e0802f8d93"
        },
        {
          "url": "https://git.kernel.org/stable/c/ebbe8868cf473f698e0fbaf436d2618b2bcda806"
        }
      ],
      "title": "ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72425",
    "datePublished": "2026-08-15T05:56:42.959Z",
    "dateReserved": "2026-08-09T03:40:39.928Z",
    "dateUpdated": "2026-08-17T05:44:05.008Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}