{
  "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-2022-49877",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49877",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T14:10:25.682Z",
    "updatedAt": "2026-05-23T15:23:07.753Z",
    "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": "bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues\n\nWhen running `test_sockmap` selftests, the following warning appears:\n\n  WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 sk_stream_kill_queues+0xd3/0xf0\n  Call Trace:\n  <TASK>\n  inet_csk_destroy_sock+0x55/0x110\n  tcp_rcv_state_process+0xd28/0x1380\n  ? tcp_v4_do_rcv+0x77/0x2c0\n  tcp_v4_do_rcv+0x77/0x2c0\n  __release_sock+0x106/0x130\n  __tcp_close+0x1a7/0x4e0\n  tcp_close+0x20/0x70\n  inet_release+0x3c/0x80\n  __sock_release+0x3a/0xb0\n  sock_close+0x14/0x20\n  __fput+0xa3/0x260\n  task_work_run+0x59/0xb0\n  exit_to_user_mode_prepare+0x1b3/0x1c0\n  syscall_exit_to_user_mode+0x19/0x50\n  do_syscall_64+0x48/0x90\n  entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nThe root case is in commit 84472b436e76 (\"bpf, sockmap: Fix more uncharged\nwhile msg has more_data\"), where I used msg->sg.size to replace the tosend,\ncausing breakage:\n\n  if (msg->apply_bytes && msg->apply_bytes < tosend)\n    tosend = psock->apply_bytes;",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d975bec1eaeb52341acc9273db79ddb078220399"
            },
            {
              "version": "7b812a369e6416ab06d83cdd39d8e3f752781dd0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cc21dc48a78cc9e5af9a4d039cd456446a6e73ff"
            },
            {
              "version": "168ff181f5b6e7fce684c98a30d35da1dbf8f82a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb"
            },
            {
              "version": "84472b436e760ba439e1969a9e3c5ae7c86de39d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7"
            },
            {
              "version": "84472b436e760ba439e1969a9e3c5ae7c86de39d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8ec95b94716a1e4d126edc3fb2bc426a717e2dba"
            },
            {
              "version": "87d532d41ef937e16f61b3d2094f3a2ac49be365",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "abb4caa477a5450817d2aa1198edce66450aecf8",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.4.189",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4.225"
            },
            {
              "version": "5.10.110",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.155"
            },
            {
              "version": "5.15.33",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.79"
            },
            {
              "version": "5.16.19",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.17"
            },
            {
              "version": "5.17.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.18"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "5.4.225",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.155",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.79",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}