CVE-2026-23024 (GCVE-0-2026-23024)

Vulnerability from cvelistv5 – Published: 2026-01-31 11:39 – Updated: 2026-01-31 11:39
VLAI?
Title
idpf: fix memory leak of flow steer list on rmmod
Summary
In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak of flow steer list on rmmod The flow steering list maintains entries that are added and removed as ethtool creates and deletes flow steering rules. Module removal with active entries causes memory leak as the list is not properly cleaned up. Prevent this by iterating through the remaining entries in the list and freeing the associated memory during module removal. Add a spinlock (flow_steer_list_lock) to protect the list access from multiple threads.
Severity ?
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: ada3e24b84a097b27a823f1ad98e5b2e8c979689 , < 1aedff70a5e97628eaaf17b169774cb6a45a1dc5 (git)
Affected: ada3e24b84a097b27a823f1ad98e5b2e8c979689 , < f9841bd28b600526ca4f6713b0ca49bf7bb98452 (git)
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    Linux Linux Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 6.18.6 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc5 , ≤ * (original_commit_for_fix)
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Show details on NVD website

{
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf.h",
            "drivers/net/ethernet/intel/idpf/idpf_ethtool.c",
            "drivers/net/ethernet/intel/idpf/idpf_lib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "ada3e24b84a097b27a823f1ad98e5b2e8c979689",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/intel/idpf/idpf.h",
            "drivers/net/ethernet/intel/idpf/idpf_ethtool.c",
            "drivers/net/ethernet/intel/idpf/idpf_lib.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.6",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19-rc5",
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              "negate": false,
              "operator": "OR"
            }
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix memory leak of flow steer list on rmmod\n\nThe flow steering list maintains entries that are added and removed as\nethtool creates and deletes flow steering rules. Module removal with active\nentries causes memory leak as the list is not properly cleaned up.\n\nPrevent this by iterating through the remaining entries in the list and\nfreeing the associated memory during module removal. Add a spinlock\n(flow_steer_list_lock) to protect the list access from multiple threads."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-31T11:39:07.604Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1aedff70a5e97628eaaf17b169774cb6a45a1dc5"
        },
        {
          "url": "https://git.kernel.org/stable/c/f9841bd28b600526ca4f6713b0ca49bf7bb98452"
        }
      ],
      "title": "idpf: fix memory leak of flow steer list on rmmod",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23024",
    "datePublished": "2026-01-31T11:39:07.604Z",
    "dateReserved": "2026-01-13T15:37:45.941Z",
    "dateUpdated": "2026-01-31T11:39:07.604Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23024\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-01-31T12:16:05.720\",\"lastModified\":\"2026-01-31T12:16:05.720\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nidpf: fix memory leak of flow steer list on rmmod\\n\\nThe flow steering list maintains entries that are added and removed as\\nethtool creates and deletes flow steering rules. Module removal with active\\nentries causes memory leak as the list is not properly cleaned up.\\n\\nPrevent this by iterating through the remaining entries in the list and\\nfreeing the associated memory during module removal. Add a spinlock\\n(flow_steer_list_lock) to protect the list access from multiple threads.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1aedff70a5e97628eaaf17b169774cb6a45a1dc5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f9841bd28b600526ca4f6713b0ca49bf7bb98452\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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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.
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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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