MediumFix available
tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor.
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor. While reading sysctl_tcp_mtu_probe_floor, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.134, 5.15.58, 5.18.15, 5.4.208
- CVEs
- CVE-2022-49594
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 18:52 UTC · Revision 1
Source evidence
tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor.
core-osv · Original sourcePublished 26 Feb 2025, 02:23 UTC
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor. While reading sysctl_tcp_mtu_probe_floor, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
osv:CVE-2022-49594
Kernel
Fixed versions: 5.4.208, 5.10.134, 5.15.58, 5.18.15
Complete source record
{
"id": "f8070e1b3f7a4d2340c45f7192abd7a6bae5225b3bcd5e2c2606b7f91f90f3d4",
"url": "https://osv.dev/vulnerability/CVE-2022-49594",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor.",
"summary": "In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_mtu_probe_floor. While reading sysctl_tcp_mtu_probe_floor, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.",
"evidence": "osv:CVE-2022-49594",
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"evidence": "/affected/1/package/name"
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"fixed_versions": [
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"evidence": "/affected/1/ranges"
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{
"value": "5.10.134",
"evidence": "/affected/1/ranges"
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{
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{
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"severity": "medium",
"structured": {
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"aliases": [
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"metrics": [
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"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
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"affected": [
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"package": {
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],
"modified": "2026-10-28T02:30:51.597199809Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/8e92d4423615a5257d0d871fc067aa561f597deb",
"https://git.kernel.org/stable/c/cc36c37f5fe066c4708e623ead96dc8f57224bf5",
"https://git.kernel.org/stable/c/d5bece4df6090395f891110ef52a6f82d16685db",
"https://git.kernel.org/stable/c/e2ecbf3f0aa88277d43908c53b99399d55729ff9",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49594.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-49594",
"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-2022-49594.json"
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"related_cves": [
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 520144,
"published_at": "2025-02-26T02:23:25.531+00:00"
}