CVE-2024-42154: Linux Kernel

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: tcp_metrics: validate source addr length I don't see anything checking that TCP_METRICS_ATTR_SADDR_IPV4 is at least 4 bytes long, and the policy doesn't have an entry for this attribute at all (neither does it for IPv6 but v6 is manually validated).

Affected products

• Linux Linux Kernel: from 3.14, before 4.19.318 (fixed in 4.19.318); from 4.20, before 5.4.280 (fixed in 5.4.280); from 5.5, before 5.10.222 (fixed in 5.10.222); from 5.11, before 5.15.163 (fixed in 5.15.163); from 5.16, before 6.1.98 (fixed in 6.1.98); from 6.2, before 6.6.39 (fixed in 6.6.39); …

Published 2024-07-30. Last modified 2026-06-17.