{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-27010",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-27010",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-01T05:29:23.494Z",
    "updatedAt": "2026-09-02T12:49:10.878Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "net/sched: Fix mirred deadlock on device recursion",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: Fix mirred deadlock on device recursion\n\nWhen the mirred action is used on a classful egress qdisc and a packet is\nmirrored or redirected to self we hit a qdisc lock deadlock.\nSee trace below.\n\n[..... other info removed for brevity....]\n[   82.890906]\n[   82.890906] ============================================\n[   82.890906] WARNING: possible recursive locking detected\n[   82.890906] 6.8.0-05205-g77fadd89fe2d-dirty #213 Tainted: G        W\n[   82.890906] --------------------------------------------\n[   82.890906] ping/418 is trying to acquire lock:\n[   82.890906] ffff888006994110 (&sch->q.lock){+.-.}-{3:3}, at:\n__dev_queue_xmit+0x1778/0x3550\n[   82.890906]\n[   82.890906] but task is already holding lock:\n[   82.890906] ffff888006994110 (&sch->q.lock){+.-.}-{3:3}, at:\n__dev_queue_xmit+0x1778/0x3550\n[   82.890906]\n[   82.890906] other info that might help us debug this:\n[   82.890906]  Possible unsafe locking scenario:\n[   82.890906]\n[   82.890906]        CPU0\n[   82.890906]        ----\n[   82.890906]   lock(&sch->q.lock);\n[   82.890906]   lock(&sch->q.lock);\n[   82.890906]\n[   82.890906]  *** DEADLOCK ***\n[   82.890906]\n[..... other info removed for brevity....]\n\nExample setup (eth0->eth0) to recreate\ntc qdisc add dev eth0 root handle 1: htb default 30\ntc filter add dev eth0 handle 1: protocol ip prio 2 matchall \\\n     action mirred egress redirect dev eth0\n\nAnother example(eth0->eth1->eth0) to recreate\ntc qdisc add dev eth0 root handle 1: htb default 30\ntc filter add dev eth0 handle 1: protocol ip prio 2 matchall \\\n     action mirred egress redirect dev eth1\n\ntc qdisc add dev eth1 root handle 1: htb default 30\ntc filter add dev eth1 handle 1: protocol ip prio 2 matchall \\\n     action mirred egress redirect dev eth0\n\nWe fix this by adding an owner field (CPU id) to struct Qdisc set after\nroot qdisc is entered. When the softirq enters it a second time, if the\nqdisc owner is the same CPU, the packet is dropped to break the loop.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e578d9c02587d57bfa7b560767c698a668a468c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "524323f52cbfbac4fe3f8a33a8cc405fafba0d33"
            },
            {
              "version": "e578d9c02587d57bfa7b560767c698a668a468c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e6b90468da4dae2281a6e381107f411efb48b0ef"
            },
            {
              "version": "e578d9c02587d57bfa7b560767c698a668a468c6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0f022d32c3eca477fbf79a205243a6123ed0fe11"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.2"
            },
            {
              "version": "6.6.156",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.8.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.8.*"
            },
            {
              "version": "6.9",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}