{
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/sched/act_api.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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            },
            {
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              "version": "0",
              "versionType": "semver"
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              "version": "6.18.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "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",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy\n\nsyzbot reported a crash in tc_act_in_hw() during netns teardown where\ntcf_idrinfo_destroy() passed an ERR_PTR(-EBUSY) value as a tc_action\npointer, leading to an invalid dereference.\n\nGuard against ERR_PTR entries when iterating the action IDR so teardown\ndoes not call tc_act_in_hw() on an error pointer."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-23T15:24:08.865Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/67550a1130b647bb0d093c9c0a810c69aa6a30a8"
        },
        {
          "url": "https://git.kernel.org/stable/c/adb25a46dc0a43173f5ea5f5f58fc8ba28970c7c"
        }
      ],
      "title": "net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy",
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        "engine": "bippy-1.2.0"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-22987",
    "datePublished": "2026-01-23T15:24:08.865Z",
    "dateReserved": "2026-01-13T15:37:45.937Z",
    "dateUpdated": "2026-01-23T15:24:08.865Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-22987\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-01-23T16:15:54.757\",\"lastModified\":\"2026-01-26T15:03:33.357\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy\\n\\nsyzbot reported a crash in tc_act_in_hw() during netns teardown where\\ntcf_idrinfo_destroy() passed an ERR_PTR(-EBUSY) value as a tc_action\\npointer, leading to an invalid dereference.\\n\\nGuard against ERR_PTR entries when iterating the action IDR so teardown\\ndoes not call tc_act_in_hw() on an error pointer.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/67550a1130b647bb0d093c9c0a810c69aa6a30a8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/adb25a46dc0a43173f5ea5f5f58fc8ba28970c7c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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}