CVE-2026-98879 Affecting kernel-uek package, versions <0:5.15.0-326.222.4.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.18% (8th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEK-22155400
  • published3 Nov 2026
  • disclosed23 Oct 2026

Introduced: 23 Oct 2026

NewCVE-2026-98879  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek to version 0:5.15.0-326.222.4.el8uek or higher.
This issue was patched in ELSA-2026-500574.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

isofs: handle set_blocksize failures

isofs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we will hit the

    BUG_ON(offset &gt;= folio_size(folio));

in folio_set_bh on the first __bread_gfp call.

CVSS Base Scores

version 3.1