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CVE-2026-23413 clsact: Fix use-after-free in init/destroy rollback asymmetry

🗓️ 02 Apr 2026 11:40:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

CVE-2026-23413 fixes use-after-free in clsact qdisc during init/destroy rollback by tracking ingress and egress initialization.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/sch_generic.h",
      "net/sched/sch_ingress.c"
    ],
    "versions": [
      {
        "version": "230bb13650b0f186f540500fd5f5f7096a822a2a",
        "lessThan": "a73d95b57bf9faebdfed591bcb7ed9292062a84c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cb6f0bae50441f4b4b32a28315853b279c7404e",
        "lessThan": "37bef86e5428d59f70a4da82b80f9a8f252fecbe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cb6f0bae50441f4b4b32a28315853b279c7404e",
        "lessThan": "4c9af67f99aa3e51b522c54968ab3ac8272be41c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cb6f0bae50441f4b4b32a28315853b279c7404e",
        "lessThan": "0509b762bc5e8ea7b8391130730c6d8502fc6e69",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cb6f0bae50441f4b4b32a28315853b279c7404e",
        "lessThan": "a0671125d4f55e1e98d9bde8a0b671941987e208",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f61ecf1bd5b562ebfd7d430ccb31619857e80857",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.6.41",
        "lessThan": "6.6.130",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.9.10",
        "lessThan": "6.10",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/sch_generic.h",
      "net/sched/sch_ingress.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.20",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.10",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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