MediumFix available
tcp: Fix data-races around sysctl_tcp_base_mss.
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_base_mss. While reading sysctl_tcp_base_mss, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.134, 5.15.58, 5.18.15, 5.4.208
- CVEs
- CVE-2022-49597
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 10:36 UTC · Revision 1
Source evidence
tcp: Fix data-races around sysctl_tcp_base_mss.
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_base_mss. While reading sysctl_tcp_base_mss, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
osv:CVE-2022-49597
Kernel
Fixed versions: 5.4.208, 5.10.134, 5.15.58, 5.18.15
Complete source record
{
"id": "fe9750f5a4386d68781ed27a1474b1f86fee975927e6e09a7262f8a45c59fd23",
"url": "https://osv.dev/vulnerability/CVE-2022-49597",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "tcp: Fix data-races around sysctl_tcp_base_mss.",
"summary": "In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_base_mss. While reading sysctl_tcp_base_mss, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.",
"evidence": "osv:CVE-2022-49597",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.4.208",
"evidence": "/affected/1/ranges"
},
{
"value": "5.10.134",
"evidence": "/affected/1/ranges"
},
{
"value": "5.15.58",
"evidence": "/affected/1/ranges"
},
{
"value": "5.18.15",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "CVE-2022-49597",
"aliases": [
"CVE-2022-49597"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
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{
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}
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}
],
"database_specific": {
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}
},
{
"ranges": [
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"type": "ECOSYSTEM",
"events": [
{
"introduced": "2.6.17"
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
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{
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]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.11.0"
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{
"fixed": "5.15.58"
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.16.0"
},
{
"fixed": "5.18.15"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49597.json"
}
}
],
"modified": "2026-10-28T02:30:28.248462752Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/30b73edc1d2459ba2c71cb58fbf84a1a6e640fbf",
"https://git.kernel.org/stable/c/4d7dea651b7fe0322be95054f64e3711afccc543",
"https://git.kernel.org/stable/c/514d2254c7b8aa2d257f5ffc79f0d96be2d6bfda",
"https://git.kernel.org/stable/c/88d78bc097cd8ebc6541e93316c9d9bf651b13e8",
"https://git.kernel.org/stable/c/9ca18116bc16ec31b9a3ce28ea1350badfa36128",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49597.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-49597",
"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-2022-49597.json"
}
},
"related_cves": [
{
"value": "CVE-2022-49597",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 494573,
"published_at": "2025-02-26T02:23:26.989+00:00"
}