{
  "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-2026-99027",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-99027",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-23T12:21:14.896Z",
    "updatedAt": "2026-10-23T12:21:14.896Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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: team: stop reusing skb after queue override",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: team: stop reusing skb after queue override\n\nA nonzero dev_queue_xmit() result does not return ownership of the skb.\nWhen an override port's qdisc drops it, the queue override helper used to\ntry another port or the mode transmit op with the freed skb.\n\nReturn the handoff decision separately from transmit success. Select only\nthe first override port under RCU and stop after handing it the skb,\nregardless of the lower transmit result. Keep the existing success and\ndrop accounting.\n\n  BUG: KASAN: slab-use-after-free in sk_skb_reason_drop\n  Write of size 4 by task poc/5040\n  sk_skb_reason_drop (net/core/skbuff.c:1240)\n  dev_kfree_skb_any_reason (net/core/dev.c:3470)\n  ab_transmit (drivers/net/team/team_mode_activebackup.c:49)\n  team_xmit (drivers/net/team/team_core.c:1849)\n  __dev_direct_xmit (net/core/dev.c:4934)\n  Freed by task 5040:\n  __tcf_kfree_skb_list (net/sched/sch_generic.c:43)\n  __dev_queue_xmit (net/core/dev.c:4831)\n  team_xmit (drivers/net/team/team_core.c:1846)\n  Kernel panic - not syncing: KASAN: panic_on_warn set ...",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8ff5105a2b9dd0ba596719b165c1827d101e5f1a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b21f20320fa2f3c683e3334d70de6bfd172e544a"
            },
            {
              "version": "8ff5105a2b9dd0ba596719b165c1827d101e5f1a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "07a48cfceb3d0555710a9acb87c949500a7b4523"
            },
            {
              "version": "8ff5105a2b9dd0ba596719b165c1827d101e5f1a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0c0568c9d35c47dc8e3ef6705d4c35a02bd88c4e"
            },
            {
              "version": "8ff5105a2b9dd0ba596719b165c1827d101e5f1a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bed63353341d2d44cbad034001dd382cfe3a3892"
            },
            {
              "version": "8ff5105a2b9dd0ba596719b165c1827d101e5f1a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b7454f1940c5e6d92e753853c476a769e452f30a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.7"
            },
            {
              "version": "6.6.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.114",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.57",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}