CVE-2025-22117 (GCVE-0-2025-22117)
Vulnerability from cvelistv5
Published
2025-04-16 14:13
Modified
2026-08-05 11:56
Severity ?
8.7 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ice: fix using untrusted value of pkt_len in ice_vc_fdir_parse_raw() Fix using the untrusted value of proto->raw.pkt_len in function ice_vc_fdir_parse_raw() by verifying if it does not exceed the VIRTCHNL_MAX_SIZE_RAW_PACKET value.
References
Impacted products
Vendor Product Version
Linux Linux Version: 99f419df8a5c5e1a58822203989f77712d01d410
Version: 99f419df8a5c5e1a58822203989f77712d01d410
Version: 99f419df8a5c5e1a58822203989f77712d01d410
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "363377af2c9e874fbba3a199408f8ec7b37906f7",
              "status": "affected",
              "version": "99f419df8a5c5e1a58822203989f77712d01d410",
              "versionType": "git"
            },
            {
              "lessThan": "362f704ba73a359db9cded567e891d9a8f081875",
              "status": "affected",
              "version": "99f419df8a5c5e1a58822203989f77712d01d410",
              "versionType": "git"
            },
            {
              "lessThan": "1388dd564183a5a18ec4a966748037736b5653c5",
              "status": "affected",
              "version": "99f419df8a5c5e1a58822203989f77712d01d410",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.80",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.80",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.2",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix using untrusted value of pkt_len in ice_vc_fdir_parse_raw()\n\nFix using the untrusted value of proto-\u003eraw.pkt_len in function\nice_vc_fdir_parse_raw() by verifying if it does not exceed the\nVIRTCHNL_MAX_SIZE_RAW_PACKET value."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The attacker reaches the code by writing a crafted VIRTCHNL_OP_ADD_FDIR_FILTER message to the SR-IOV VF-to-PF mailbox, which requires local control of a VF PCI function (typically a passed-through VF inside a tenant guest VM), not network access. No remote or adjacent-network protocol can reach `ice_vc_fdir_parse_raw()`.\nAC:L - A single deterministic message with `tunnel_level=0`, `count=0`, and `raw.pkt_len=0xFFFF` triggers the 61 KB out-of-bounds read every time; there is no race, no memory-layout dependency, and the only prerequisites (FD enabled, VIRTCHNL_VF_OFFLOAD_FDIR_PF) are defaults or self-negotiated by the attacking VF.\nPR:L - The attacker needs control of the VF mailbox \u2014 i.e. root inside the guest VM or container that the host administrator deliberately handed the VF to \u2014 which is a low-privileged principal from the host kernel\u0027s security authority, with no host-side credential or capability check anywhere on the path.\nUI:N - The PF driver processes VF mailbox messages autonomously in the ice service task; no host administrator or user action is required beyond the pre-existing SR-IOV configuration.\nS:C - The ice PF driver is the isolation enforcement point between a VF and the host, so a guest-owned VF causing host kernel heap disclosure and mis-programming of the shared FDIR pipeline crosses the guest-to-host boundary and impacts the PF and all other VFs \u2014 resources outside the attacking VF\u0027s security authority.\nC:H - Up to ~61 KB of adjacent host kernel heap is read out of bounds past the 4096-byte mailbox buffer \u2014 far beyond a \"strictly bounded few bytes\" \u2014 and the leaked bytes are copied into `prof-\u003efv[].spec/msk` and the FDIR training packet programmed into hardware, giving the VF a matching-behaviour oracle to recover them.\nI:L - There is no out-of-bounds write \u2014 every downstream copy is bounded (`ICE_PARSER_MAX_PKT_LEN` clamp, `ICE_PARSER_FV_MAX` cap, `u8` `conf-\u003epkt_len`) \u2014 but the attacker does cause unintended kernel heap contents to be programmed as FDIR profiles and training packets into the shared NIC pipeline, a limited modification of host and device state affecting flow steering.\nA:H - Reading ~61 KB past a kmalloc-4096 object can walk into an unmapped direct-map page, a KFENCE guard page, or a DEBUG_PAGEALLOC/rodata_full hole and oops the host in the mailbox work context, and on KASAN builds it is a guaranteed slab-out-of-bounds splat \u2014 a crash of the host kernel and its networking."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:56:54.360Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/363377af2c9e874fbba3a199408f8ec7b37906f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/362f704ba73a359db9cded567e891d9a8f081875"
        },
        {
          "url": "https://git.kernel.org/stable/c/1388dd564183a5a18ec4a966748037736b5653c5"
        }
      ],
      "title": "ice: fix using untrusted value of pkt_len in ice_vc_fdir_parse_raw()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-22117",
    "datePublished": "2025-04-16T14:13:03.099Z",
    "dateReserved": "2024-12-29T08:45:45.823Z",
    "dateUpdated": "2026-08-05T11:56:54.360Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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