CVE-2022-49630

low-risk
Published 2025-02-26

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_ecn_fallback. While reading sysctl_tcp_ecn_fallback, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (7)

Affected Vendors

Linux

References (3)

Patch https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658
Patch https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61
Patch https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11
26
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 14/34 · Moderate