MediumFix available
tcp: Fix data-races around sysctl_tcp_max_reordering.
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_max_reordering. While reading sysctl_tcp_max_reordering, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.19.254, 5.10.134, 5.15.58, 5.18.15, 5.4.208
- CVEs
- CVE-2022-49571
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 05:24 UTC · Revision 1
Source evidence
tcp: Fix data-races around sysctl_tcp_max_reordering.
core-osv · Original sourcePublished 26 Feb 2025, 02:23 UTC
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_max_reordering. While reading sysctl_tcp_max_reordering, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
osv:CVE-2022-49571
Kernel
Fixed versions: 4.19.254, 5.4.208, 5.10.134, 5.15.58, 5.18.15
Complete source record
{
"id": "93f8b6f8da125ba3aed25abccd8fb93176d146d4694e2c1d98d01de5297d00b6",
"url": "https://osv.dev/vulnerability/CVE-2022-49571",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "tcp: Fix data-races around sysctl_tcp_max_reordering.",
"summary": "In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_max_reordering. While reading sysctl_tcp_max_reordering, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.",
"evidence": "osv:CVE-2022-49571",
"products": [
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"evidence": "/affected/1/ranges"
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{
"value": "5.4.208",
"evidence": "/affected/1/ranges"
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{
"value": "5.10.134",
"evidence": "/affected/1/ranges"
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{
"value": "5.15.58",
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{
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"affected_versions": []
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"severity": "medium",
"structured": {
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"aliases": [
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"metrics": [
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"affected": [
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{
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],
"package": {
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"database_specific": {
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],
"modified": "2026-10-28T02:30:43.123917802Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/46deb91ac8a790286ad6d24cf92e7ab0ab2582bb",
"https://git.kernel.org/stable/c/50a1d3d097503a90cf84ebe120afcde37e9c33b3",
"https://git.kernel.org/stable/c/5e38cee24f19d19280c68f1ac8bf6790d607f60a",
"https://git.kernel.org/stable/c/a11e5b3e7a59fde1a90b0eaeaa82320495cf8cae",
"https://git.kernel.org/stable/c/ce3731c61589ed73364a5b55ce34131762ef9b60",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49571.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-49571",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49571.json"
}
},
"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 510686,
"published_at": "2025-02-26T02:23:14.182+00:00"
}