Greg Kroah-Hartman has released six stable Linux kernel versions — 7.1.7, 6.18.43, 6.6.149, 6.1.181, 5.15.214, and 5.10.263 — each addressing a single security vulnerability (CVE-2026-68480) that could allow data leakage through speculative execution. All users running affected kernel versions are advised to upgrade promptly.
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What is CVE-2026-68480 in the Linux kernel and which versions are affected?
CVE-2026-68480 is a Linux kernel vulnerability that could allow data leakage through speculative execution. It affects kernel versions across multiple stable branches, with fixes released in 7.1.7, 6.18.43, 6.6.149, 6.1.181, 5.15.214, and 5.10.263. Users running any of those branches are advised to upgrade to the patched version. Developers and sysadmins tracking kernel CVEs like this one follow patch releases on daily.dev before their infrastructure falls behind.