{
  "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-2022-49153",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49153",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T01:55:18.745Z",
    "updatedAt": "2026-05-11T18:54:09.824Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "wireguard: socket: free skb in send6 when ipv6 is disabled",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nwireguard: socket: free skb in send6 when ipv6 is disabled\n\nI got a memory leak report:\n\nunreferenced object 0xffff8881191fc040 (size 232):\n  comm \"kworker/u17:0\", pid 23193, jiffies 4295238848 (age 3464.870s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<ffffffff814c3ef4>] slab_post_alloc_hook+0x84/0x3b0\n    [<ffffffff814c8977>] kmem_cache_alloc_node+0x167/0x340\n    [<ffffffff832974fb>] __alloc_skb+0x1db/0x200\n    [<ffffffff82612b5d>] wg_socket_send_buffer_to_peer+0x3d/0xc0\n    [<ffffffff8260e94a>] wg_packet_send_handshake_initiation+0xfa/0x110\n    [<ffffffff8260ec81>] wg_packet_handshake_send_worker+0x21/0x30\n    [<ffffffff8119c558>] process_one_work+0x2e8/0x770\n    [<ffffffff8119ca2a>] worker_thread+0x4a/0x4b0\n    [<ffffffff811a88e0>] kthread+0x120/0x160\n    [<ffffffff8100242f>] ret_from_fork+0x1f/0x30\n\nIn function wg_socket_send_buffer_as_reply_to_skb() or wg_socket_send_\nbuffer_to_peer(), the semantics of send6() is required to free skb. But\nwhen CONFIG_IPV6 is disable, kfree_skb() is missing. This patch adds it\nto fix this bug.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e7096c131e5161fa3b8e52a650d7719d2857adfd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "096f9d35cac0a0c95ffafc00db84786b665a4837"
            },
            {
              "version": "e7096c131e5161fa3b8e52a650d7719d2857adfd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "402991a9771587acc2947cf6c4d689c5397f2258"
            },
            {
              "version": "e7096c131e5161fa3b8e52a650d7719d2857adfd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ebcc492f4ba14bae54b898f1016a37b4282558d1"
            },
            {
              "version": "e7096c131e5161fa3b8e52a650d7719d2857adfd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0b19bcb753dbfb74710d12bb2761ec5ed706c726"
            },
            {
              "version": "e7096c131e5161fa3b8e52a650d7719d2857adfd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bbbf962d9460194993ee1943a793a0a0af4a7fbf"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "5.10.110",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}