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A report says Ubuntu had not released fixed kernel packages for CVE-2026-98432 for Ubuntu 22.04, 24.04 or 26.04, nearly three weeks after the issue was reported. The vulnerability is described as CVSS 9.8, but the available source does not establish its exploit details, whether attacks are occurring, or when Ubuntu will issue updates.
A report says Ubuntu has not released fixed kernel packages for CVE-2026-98432 on Ubuntu 22.04, 24.04 or 26.04, nearly three weeks after the issue was reported. The vulnerability is rated CVSS 9.8; affected administrators, according to the report, do not yet have an official Ubuntu kernel update that addresses it.
The report, published by Freenode News, says the three Ubuntu long-term support releases remain without patched kernels for CVE-2026-98432. It characterizes the vulnerability as critical and cites a CVSS score of 9.8. The supplied report does not include a link to an Ubuntu security advisory or a statement from Canonical confirming the status.
The report says operators of those releases have no official kernel package that closes the vulnerability. It does not provide technical details on the flaw, identify affected kernel versions, or specify whether exploitation requires network access, local access, or particular system conditions. The headline’s reference to remote code execution is not substantiated by technical evidence in the source material provided here.
Freenode News says Ubuntu has not announced a fix timeline. It describes administrators as facing a choice between continuing to run the stock kernel, looking for out-of-tree mitigations if available, or moving workloads to a release or kernel that has the fix. The source does not confirm that a patched alternative exists or recommend a particular workaround.
Exposure for Ubuntu Server Operators
Kernel vulnerabilities can matter across a wide range of workloads because the kernel underpins core operating-system functions and acts as a boundary between processes. The report flags internet-facing and multi-tenant systems as especially relevant settings, where administrators may depend on kernel protections to separate workloads. However, without technical details on CVE-2026-98432, the specific attack path and practical risk to any given deployment cannot be established from the supplied information.
The absence of a vendor package also complicates routine patch management. Organizations that normally install fixes through Ubuntu’s supported update channels cannot apply a package that has not been published. Decisions about temporary mitigations or alternate kernels may carry operational and compatibility costs, so administrators need reliable details about affected configurations and available protections before making changes.
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Three LTS Releases Named
The report identifies Ubuntu 22.04, 24.04 and 26.04 LTS as lacking fixed kernel packages. It describes the delay as lasting almost three weeks, but the supplied material does not give the original disclosure date or a date-stamped status from Ubuntu. The timing should therefore be understood as the report’s account, not as an independently verified update on the current status.
The source characterizes the issue as a zero-day remote code execution vulnerability, but provides no technical analysis, proof-of-concept information, exploit evidence or details of an advisory. Its concrete claims are that CVE-2026-98432 carries a CVSS 9.8 rating and that patches for the named releases were not available when the report was published. Those claims have not been corroborated in the material supplied for this article.
“No patched kernels are available yet for 22.04, 24.04, or 26.04 despite a CVSS 9.8 rating.”
— Freenode News
Exploit Details and Patch Status
Several key points cannot be confirmed from the supplied source. It provides no technical description of the vulnerability, no evidence that it is being exploited, and no explanation of what access an attacker would need. The source’s use of the terms zero-day and remote code execution is not accompanied by supporting technical material here, so those details should be treated as claims rather than independently established findings.
It is also unclear whether Canonical has published an advisory or update since the report appeared, whether the CVSS rating has been assigned or verified by a particular authority, and whether a workaround or patched kernel is available through another supported channel. The report does not state which specific kernel builds or configurations are affected. Administrators should consult current Ubuntu security notices for the status applicable to their systems.
Watch for Ubuntu Security Updates
The next material development would be an Ubuntu security advisory or fixed kernel package identifying affected versions, the update path and any required restart. The source gives no release schedule, so there is no confirmed date for that milestone. A vendor advisory would also help clarify the vulnerability’s technical scope and whether temporary mitigations are appropriate.
Until then, administrators of the named releases should verify the status through official Ubuntu channels and assess exposure using confirmed details relevant to their systems. The report itself does not establish that migrating workloads or installing an out-of-tree kernel is necessary or safe; those steps would require a case-specific assessment and trusted guidance.
Key Questions
Which Ubuntu releases does the report say are affected?
It names Ubuntu 22.04, 24.04 and 26.04 LTS as lacking patched kernel packages for CVE-2026-98432 when the report was published.
How severe is CVE-2026-98432 rated?
The report gives the vulnerability a CVSS score of 9.8. The supplied material does not identify who assigned or verified that score.
Is the flaw confirmed to allow remote code execution?
The source describes it as a remote code execution vulnerability, but provides no technical evidence or exploit details. That characterization cannot be independently confirmed from the material provided.
When will Ubuntu release a fix?
The report says Ubuntu had not announced an ETA. No release date is available in the supplied source.
What should administrators do while waiting?
The report suggests considering stock kernels, possible out-of-tree mitigations or other kernels, but does not confirm that any particular workaround is available or safe. Administrators should check current official Ubuntu security guidance before changing production systems.
Source: freenode.net
