CVE-2022-49630

Source
https://cve.org/CVERecord?id=CVE-2022-49630
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49630.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49630
Downstream
Published
2025-02-26T02:23:43.249Z
Modified
2026-04-11T12:44:20.457038Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
tcp: Fix a data-race around sysctl_tcp_ecn_fallback.
Details

In the Linux kernel, the following vulnerability has been resolved:

tcp: Fix a data-race around sysctltcpecn_fallback.

While reading sysctltcpecnfallback, it can be changed concurrently. Thus, we need to add READONCE() to its reader.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49630.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
492135557dc090a1abb2cfbe1a412757e3ed68ab
Fixed
8bcf7339f2cf70ea4461df6ea045d1aadfabfa11
Fixed
1ec3d6c2626ee6e1b36b7bd006873a271406ba61
Fixed
12b8d9ca7e678abc48195294494f1815b555d658

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49630.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.2.0
Fixed
5.15.56
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.18.13

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49630.json"