Low [CVE-2026-89618] Linux kernel: eventfs false warning due to uninitialized data
This low-severity Red Hat Linux advisory covers CVE-2026-89618.
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Summary
A flaw was found in the Linux kernel's eventfs component. When the `eventfs_create_dir()` function fails due to memory pressure, an uninitialized internal data structure can cause the system to issue a misleading warning during the cleanup process.
This incorrect error reporting could lead to confusion in system diagnostics. Red Hat severity: Low — CVSS 0 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N).
Weakness: CWE-824.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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