igc: fix potential skb leak in igc_fpe_xmit_smd_frame()

{
  "id": "bb151a35da49cd9c3f592f48c18b2f61177bb4db45be7a9031ce325b80ec4542",
  "url": "https://osv.dev/vulnerability/CVE-2026-64110",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "igc: fix potential skb leak in igc_fpe_xmit_smd_frame()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: igc: fix potential skb leak in igc_fpe_xmit_smd_frame() When igc_fpe_init_tx_descriptor() fails, no one takes care of an allocated skb, leaking it. [1] Use dev_kfree_skb_any() on failure. Tested on an I226 adapter with the following command, while injecting faults in igc_fpe_init_tx_descriptor() to trigger the error path. # ethtool --set-mm $DEV verify-enabled on tx-enabled on pmac-enabled on [1] unreferenced object 0xffff888113c6cdc0 (size 224): ... backtrace (crc be3d3fda): kmem_cache_alloc_node_noprof+0x3b1/0x410 __alloc_skb+0xde/0x830 igc_fpe_xmit_smd_frame.isra.0+0xad/0x1b0 igc_fpe_send_mpacket+0x37/0x90 ethtool_mmsv_verify_timer+0x15e/0x300",
    "evidence": "osv:CVE-2026-64110",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.11",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-64110",
      "aliases": [
        "CVE-2026-64110"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5422570c0010bb968738f9256eb2bf83e79b4d63"
                },
                {
                  "fixed": "f1bafd35f11b3aca1c7bb38da173b8787364a04c"
                },
                {
                  "fixed": "3ebf056556138e74c640e6dc2b3848abd398b460"
                },
                {
                  "fixed": "e935c37b8a94bb256fada6395a5d05e1c0c6bdaf"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64110.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.16.0"
                },
                {
                  "fixed": "6.18.34"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.0.11"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64110.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.659633691Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3ebf056556138e74c640e6dc2b3848abd398b460",
        "https://git.kernel.org/stable/c/e935c37b8a94bb256fada6395a5d05e1c0c6bdaf",
        "https://git.kernel.org/stable/c/f1bafd35f11b3aca1c7bb38da173b8787364a04c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64110.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-64110",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64110.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-64110",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 514449,
  "published_at": "2026-07-19T15:40:12.224+00:00"
}