cve-2022-49877
Vulnerability from cvelistv5
Published
2025-05-01 14:10
Modified
2025-05-01 14:10
Severity ?
Summary
bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/tcp_bpf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d975bec1eaeb52341acc9273db79ddb078220399",
              "status": "affected",
              "version": "244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf",
              "versionType": "git"
            },
            {
              "lessThan": "cc21dc48a78cc9e5af9a4d039cd456446a6e73ff",
              "status": "affected",
              "version": "7b812a369e6416ab06d83cdd39d8e3f752781dd0",
              "versionType": "git"
            },
            {
              "lessThan": "95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb",
              "status": "affected",
              "version": "168ff181f5b6e7fce684c98a30d35da1dbf8f82a",
              "versionType": "git"
            },
            {
              "lessThan": "14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7",
              "status": "affected",
              "version": "84472b436e760ba439e1969a9e3c5ae7c86de39d",
              "versionType": "git"
            },
            {
              "lessThan": "8ec95b94716a1e4d126edc3fb2bc426a717e2dba",
              "status": "affected",
              "version": "84472b436e760ba439e1969a9e3c5ae7c86de39d",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/tcp_bpf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.18"
            },
            {
              "lessThan": "5.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.225",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.155",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.79",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix the sk-\u003esk_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  \u003cTASK\u003e\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-\u003esg.size to replace the tosend,\ncausing breakage:\n\n  if (msg-\u003eapply_bytes \u0026\u0026 msg-\u003eapply_bytes \u003c tosend)\n    tosend = psock-\u003eapply_bytes;"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-01T14:10:25.682Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d975bec1eaeb52341acc9273db79ddb078220399"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc21dc48a78cc9e5af9a4d039cd456446a6e73ff"
        },
        {
          "url": "https://git.kernel.org/stable/c/95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb"
        },
        {
          "url": "https://git.kernel.org/stable/c/14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7"
        },
        {
          "url": "https://git.kernel.org/stable/c/8ec95b94716a1e4d126edc3fb2bc426a717e2dba"
        }
      ],
      "title": "bpf, sockmap: Fix the sk-\u003esk_forward_alloc warning of sk_stream_kill_queues",
      "x_generator": {
        "engine": "bippy-1.1.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49877",
    "datePublished": "2025-05-01T14:10:25.682Z",
    "dateReserved": "2025-05-01T14:05:17.238Z",
    "dateUpdated": "2025-05-01T14:10:25.682Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49877\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:12.653\",\"lastModified\":\"2025-05-01T15:16:12.653\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf, sockmap: Fix the sk-\u003esk_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  \u003cTASK\u003e\\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-\u003esg.size to replace the tosend,\\ncausing breakage:\\n\\n  if (msg-\u003eapply_bytes \u0026\u0026 msg-\u003eapply_bytes \u003c tosend)\\n    tosend = psock-\u003eapply_bytes;\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8ec95b94716a1e4d126edc3fb2bc426a717e2dba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cc21dc48a78cc9e5af9a4d039cd456446a6e73ff\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d975bec1eaeb52341acc9273db79ddb078220399\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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