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CVE-2022-49204 (GCVE-0-2022-49204)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2026-05-11 18:55
VLAI
Title
bpf, sockmap: Fix more uncharged while msg has more_data
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix more uncharged while msg has more_data In tcp_bpf_send_verdict(), if msg has more data after tcp_bpf_sendmsg_redir(): tcp_bpf_send_verdict() tosend = msg->sg.size //msg->sg.size = 22220 case __SK_REDIRECT: sk_msg_return() //uncharged msg->sg.size(22220) sk->sk_forward_alloc tcp_bpf_sendmsg_redir() //after tcp_bpf_sendmsg_redir, msg->sg.size=11000 goto more_data; tosend = msg->sg.size //msg->sg.size = 11000 case __SK_REDIRECT: sk_msg_return() //uncharged msg->sg.size(11000) to sk->sk_forward_alloc The msg->sg.size(11000) has been uncharged twice, to fix we can charge the remaining msg->sg.size before goto more data. This issue can cause the following info: WARNING: CPU: 0 PID: 9860 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0 Call Trace: <TASK> inet_csk_destroy_sock+0x55/0x110 __tcp_close+0x279/0x470 tcp_close+0x1f/0x60 inet_release+0x3f/0x80 __sock_release+0x3d/0xb0 sock_close+0x11/0x20 __fput+0x92/0x250 task_work_run+0x6a/0xa0 do_exit+0x33b/0xb60 do_group_exit+0x2f/0xa0 get_signal+0xb6/0x950 arch_do_signal_or_restart+0xac/0x2a0 ? vfs_write+0x237/0x290 exit_to_user_mode_prepare+0xa9/0x200 syscall_exit_to_user_mode+0x12/0x30 do_syscall_64+0x46/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae </TASK> WARNING: CPU: 0 PID: 2136 at net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260 Call Trace: <TASK> __sk_destruct+0x24/0x1f0 sk_psock_destroy+0x19b/0x1c0 process_one_work+0x1b3/0x3c0 worker_thread+0x30/0x350 ? process_one_work+0x3c0/0x3c0 kthread+0xe6/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 </TASK>
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf (git)
Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 7b812a369e6416ab06d83cdd39d8e3f752781dd0 (git)
Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 168ff181f5b6e7fce684c98a30d35da1dbf8f82a (git)
Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 87d532d41ef937e16f61b3d2094f3a2ac49be365 (git)
Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < abb4caa477a5450817d2aa1198edce66450aecf8 (git)
Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 84472b436e760ba439e1969a9e3c5ae7c86de39d (git)
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Linux Linux Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 5.4.189 , ≤ 5.4.* (semver)
Unaffected: 5.10.110 , ≤ 5.10.* (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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          "defaultStatus": "unaffected",
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Fix more uncharged while msg has more_data\n\nIn tcp_bpf_send_verdict(), if msg has more data after\ntcp_bpf_sendmsg_redir():\n\ntcp_bpf_send_verdict()\n tosend = msg-\u003esg.size  //msg-\u003esg.size = 22220\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg-\u003esg.size(22220) sk-\u003esk_forward_alloc\n  tcp_bpf_sendmsg_redir() //after tcp_bpf_sendmsg_redir, msg-\u003esg.size=11000\n goto more_data;\n tosend = msg-\u003esg.size  //msg-\u003esg.size = 11000\n case __SK_REDIRECT:\n  sk_msg_return()  //uncharged msg-\u003esg.size(11000) to sk-\u003esk_forward_alloc\n\nThe msg-\u003esg.size(11000) has been uncharged twice, to fix we can charge the\nremaining msg-\u003esg.size before goto more data.\n\nThis issue can cause the following info:\nWARNING: CPU: 0 PID: 9860 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0\nCall Trace:\n \u003cTASK\u003e\n inet_csk_destroy_sock+0x55/0x110\n __tcp_close+0x279/0x470\n tcp_close+0x1f/0x60\n inet_release+0x3f/0x80\n __sock_release+0x3d/0xb0\n sock_close+0x11/0x20\n __fput+0x92/0x250\n task_work_run+0x6a/0xa0\n do_exit+0x33b/0xb60\n do_group_exit+0x2f/0xa0\n get_signal+0xb6/0x950\n arch_do_signal_or_restart+0xac/0x2a0\n ? vfs_write+0x237/0x290\n exit_to_user_mode_prepare+0xa9/0x200\n syscall_exit_to_user_mode+0x12/0x30\n do_syscall_64+0x46/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n \u003c/TASK\u003e\n\nWARNING: CPU: 0 PID: 2136 at net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260\nCall Trace:\n \u003cTASK\u003e\n __sk_destruct+0x24/0x1f0\n sk_psock_destroy+0x19b/0x1c0\n process_one_work+0x1b3/0x3c0\n worker_thread+0x30/0x350\n ? process_one_work+0x3c0/0x3c0\n kthread+0xe6/0x110\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n \u003c/TASK\u003e"
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        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/7b812a369e6416ab06d83cdd39d8e3f752781dd0"
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        {
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      "title": "bpf, sockmap: Fix more uncharged while msg has more_data",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49204",
    "datePublished": "2025-02-26T01:55:44.678Z",
    "dateReserved": "2025-02-26T01:49:39.291Z",
    "dateUpdated": "2026-05-11T18:55:09.627Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-49204",
      "date": "2026-09-14",
      "epss": "0.00264",
      "percentile": "0.18346"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49204\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:00:57.480\",\"lastModified\":\"2026-06-17T05:17:22.520\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf, sockmap: Fix more uncharged while msg has more_data\\n\\nIn tcp_bpf_send_verdict(), if msg has more data after\\ntcp_bpf_sendmsg_redir():\\n\\ntcp_bpf_send_verdict()\\n tosend = msg-\u003esg.size  //msg-\u003esg.size = 22220\\n case __SK_REDIRECT:\\n  sk_msg_return()  //uncharged msg-\u003esg.size(22220) sk-\u003esk_forward_alloc\\n  tcp_bpf_sendmsg_redir() //after tcp_bpf_sendmsg_redir, msg-\u003esg.size=11000\\n goto more_data;\\n tosend = msg-\u003esg.size  //msg-\u003esg.size = 11000\\n case __SK_REDIRECT:\\n  sk_msg_return()  //uncharged msg-\u003esg.size(11000) to sk-\u003esk_forward_alloc\\n\\nThe msg-\u003esg.size(11000) has been uncharged twice, to fix we can charge the\\nremaining msg-\u003esg.size before goto more data.\\n\\nThis issue can cause the following info:\\nWARNING: CPU: 0 PID: 9860 at net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0\\nCall Trace:\\n \u003cTASK\u003e\\n inet_csk_destroy_sock+0x55/0x110\\n __tcp_close+0x279/0x470\\n tcp_close+0x1f/0x60\\n inet_release+0x3f/0x80\\n __sock_release+0x3d/0xb0\\n sock_close+0x11/0x20\\n __fput+0x92/0x250\\n task_work_run+0x6a/0xa0\\n do_exit+0x33b/0xb60\\n do_group_exit+0x2f/0xa0\\n get_signal+0xb6/0x950\\n arch_do_signal_or_restart+0xac/0x2a0\\n ? vfs_write+0x237/0x290\\n exit_to_user_mode_prepare+0xa9/0x200\\n syscall_exit_to_user_mode+0x12/0x30\\n do_syscall_64+0x46/0x80\\n entry_SYSCALL_64_after_hwframe+0x44/0xae\\n \u003c/TASK\u003e\\n\\nWARNING: CPU: 0 PID: 2136 at net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260\\nCall Trace:\\n \u003cTASK\u003e\\n __sk_destruct+0x24/0x1f0\\n sk_psock_destroy+0x19b/0x1c0\\n process_one_work+0x1b3/0x3c0\\n worker_thread+0x30/0x350\\n ? process_one_work+0x3c0/0x3c0\\n kthread+0xe6/0x110\\n ? kthread_complete_and_exit+0x20/0x20\\n ret_from_fork+0x22/0x30\\n \u003c/TASK\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf, sockmap: Se corrige m\u00e1s mensajes sin cargar mientras msg tiene more_data En tcp_bpf_send_verdict(), si msg tiene m\u00e1s datos despu\u00e9s de tcp_bpf_sendmsg_redir(): tcp_bpf_send_verdict() tosend = msg-\u0026gt;sg.size //msg-\u0026gt;sg.size = 22220 caso __SK_REDIRECT: sk_msg_return() //mensaje sin cargar-\u0026gt;sg.size(22220) sk-\u0026gt;sk_forward_alloc tcp_bpf_sendmsg_redir() //despu\u00e9s de tcp_bpf_sendmsg_redir, msg-\u0026gt;sg.size=11000 goto more_data; tosend = msg-\u0026gt;sg.size //msg-\u0026gt;sg.size = 11000 caso __SK_REDIRECT: sk_msg_return() //msg-\u0026gt;sg.size(11000) no cargado a sk-\u0026gt;sk_forward_alloc El msg-\u0026gt;sg.size(11000) se ha descargado dos veces, para solucionarlo podemos cargar el msg-\u0026gt;sg.size restante antes de ir a m\u00e1s datos. Este problema puede generar la siguiente informaci\u00f3n: ADVERTENCIA: CPU: 0 PID: 9860 en net/core/stream.c:208 sk_stream_kill_queues+0xd4/0x1a0 Seguimiento de llamadas:  inet_csk_destroy_sock+0x55/0x110 __tcp_close+0x279/0x470 tcp_close+0x1f/0x60 inet_release+0x3f/0x80 __sock_release+0x3d/0xb0 sock_close+0x11/0x20 __fput+0x92/0x250 task_work_run+0x6a/0xa0 do_exit+0x33b/0xb60 do_group_exit+0x2f/0xa0 get_signal+0xb6/0x950 arch_do_signal_or_restart+0xac/0x2a0 ? vfs_write+0x237/0x290 exit_to_user_mode_prepare+0xa9/0x200 syscall_exit_to_user_mode+0x12/0x30 do_syscall_64+0x46/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae  ADVERTENCIA: CPU: 0 PID: 2136 en net/ipv4/af_inet.c:155 inet_sock_destruct+0x13c/0x260 Rastreo de llamadas:  __sk_destruct+0x24/0x1f0 sk_psock_destroy+0x19b/0x1c0 process_one_work+0x1b3/0x3c0 worker_thread+0x30/0x350 ? process_one_work+0x3c0/0x3c0 kthread+0xe6/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 \"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/ipv4/tcp_bpf.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"604326b41a6fb9b4a78b6179335decee0365cd8c\",\"lessThan\":\"244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"604326b41a6fb9b4a78b6179335decee0365cd8c\",\"lessThan\":\"7b812a369e6416ab06d83cdd39d8e3f752781dd0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"604326b41a6fb9b4a78b6179335decee0365cd8c\",\"lessThan\":\"168ff181f5b6e7fce684c98a30d35da1dbf8f82a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"604326b41a6fb9b4a78b6179335decee0365cd8c\",\"lessThan\":\"87d532d41ef937e16f61b3d2094f3a2ac49be365\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"604326b41a6fb9b4a78b6179335decee0365cd8c\",\"lessThan\":\"abb4caa477a5450817d2aa1198edce66450aecf8\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"604326b41a6fb9b4a78b6179335decee0365cd8c\",\"lessThan\":\"84472b436e760ba439e1969a9e3c5ae7c86de39d\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/ipv4/tcp_bpf.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.20\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.20\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.189\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.110\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.33\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.16.19\",\"lessThanOrEqual\":\"5.16.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.17.2\",\"lessThanOrEqual\":\"5.17.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.18\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.189\",\"matchCriteriaId\":\"8CB6E8F5-C2B1-46F3-A807-0F6104AC340F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.110\",\"matchCriteriaId\":\"91D3BFD0-D3F3-4018-957C-96CCBF357D79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.33\",\"matchCriteriaId\":\"27C42AE8-B387-43E2-938A-E1C8B40BE6D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.19\",\"matchCriteriaId\":\"20C43679-0439-405A-B97F-685BEE50613B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.17\",\"versionEndExcluding\":\"5.17.2\",\"matchCriteriaId\":\"210C679C-CF84-44A3-8939-E629C87E54BF\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/168ff181f5b6e7fce684c98a30d35da1dbf8f82a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/244ce90c8d0bd10ebf957da02c6f3fcd5d920bdf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7b812a369e6416ab06d83cdd39d8e3f752781dd0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/84472b436e760ba439e1969a9e3c5ae7c86de39d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/87d532d41ef937e16f61b3d2094f3a2ac49be365\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/abb4caa477a5450817d2aa1198edce66450aecf8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:01:12+00:00",
      "cve": "CVE-2022-49204",
      "id": "CVE-2022-49204",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "201",
      "product_status:known_affected": "70",
      "product_status:known_not_affected": "118",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: bpf, sockmap: Fix more uncharged while msg has more_data",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49204.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T01:33:06Z",
      "cve": "CVE-2022-49204",
      "id": "CVE-2022-49204",
      "initial_release_date": "2025-02-27T03:10:41Z",
      "product_status:known_affected": "543",
      "product_status:known_not_affected": "180",
      "product_status:recommended": "153",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49204",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49204.json",
      "version": "40"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.