CVE-2022-49630

MEDIUM 4.7

tcp: Fix a data-race around sysctl_tcp_ecn_fallback.

CVSS Score

4.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Feb 26, 2025
Last Updated	May 11, 2026

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Affected Versions

Linux / Linux

492135557dc090a1abb2cfbe1a412757e3ed68ab < 8bcf7339f2cf70ea4461df6ea045d1aadfabfa11 492135557dc090a1abb2cfbe1a412757e3ed68ab < 1ec3d6c2626ee6e1b36b7bd006873a271406ba61 492135557dc090a1abb2cfbe1a412757e3ed68ab < 12b8d9ca7e678abc48195294494f1815b555d658

Linux / Linux

4.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

git.kernel.org: https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11 git.kernel.org: https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61 git.kernel.org: https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658