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Ubuntu still has not released patch for Linux 0day RCE in almost 3 weeks

freenode.net546 points158 comments
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Ubuntu has not released patched kernels for CVE-2026-98432, a vulnerability rated 9.8 out of 10 for severity, nearly three weeks after it became a concern. Ubuntu’s 22.04, 24.04, and 26.04 LTS releases remain without an official kernel update that fixes it. The headline characterizes the issue as a zero-day remote-code-execution flaw, but the available details do not explain its technical mechanism or specify the conditions needed to exploit it.

The delay leaves administrators using those LTS kernels without a vendor-provided fix. The risk is especially significant for internet-facing servers and multi-tenant systems, where kernel security helps enforce boundaries between users and workloads. Ubuntu has given no expected release date, so affected operators must choose whether to continue running stock kernels, use any available mitigations outside the official kernel packages, or move workloads to a kernel or release that already includes a fix. Until an update or reliable mitigation is available, administrators cannot rely on a standard Ubuntu kernel package to close the vulnerability.

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