High
Out-of-bound write in tcp_flags
Type: advisorySources: OSV
In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-1841
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 09:08 UTC · Revision 1
Source evidence
In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.
osv:CVE-2022-1841
Complete source record
{
"id": "f36353d6d48af4caf4a36a78da3ce1e3fae29eefd1065060de4c9101c46ae261",
"url": "https://osv.dev/vulnerability/CVE-2022-1841",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Out-of-bound write in tcp_flags",
"summary": "In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.",
"evidence": "osv:CVE-2022-1841",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2022-1841",
"aliases": [
"CVE-2022-1841",
"GHSA-5c3j-p8cr-2pgh"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/zephyrproject-rtos/zephyr",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "4f8d78ceeb436e82f528511998515f6fc137c6cd"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "v3.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "SplitRange"
}
]
}
}
],
"versions": [
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"zephyr-v1.10.0",
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"zephyr-v1.9.0",
"v1.9.0",
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"v1.9.0-rc2",
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"zephyr-v1.5.0",
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"v1.5.0-rc3",
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"zephyr-v1.4.0",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-1841.json"
}
}
],
"modified": "2026-10-28T02:30:34.046372982Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1841.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-1841"
],
"provider_metadata": {
"cwe_ids": [
"CWE-787"
],
"cna_assigner": "zephyr",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1841.json"
}
},
"related_cves": [
{
"value": "CVE-2022-1841",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 501339,
"published_at": "2022-08-31T19:40:08.845+00:00"
}