CVE-2026-98498 Affecting bpftool package, versions <0:5.15.0-326.222.4.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.22% (12th percentile)

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  • Snyk IDSNYK-ORACLE8-BPFTOOL-22157058
  • published3 Nov 2026
  • disclosed18 Oct 2026

Introduced: 18 Oct 2026

NewCVE-2026-98498  (opens in a new tab)

How to fix?

Upgrade Oracle:8 bpftool 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 bpftool package and not the bpftool 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:

net/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()

When the reverse entry is found but its counter is already being released, refcount_inc_not_zero() fails and the reference taken by mlx5_tc_ct_entry_get() is never dropped before falling through to create_counter. Drop it so the reverse entry is not kept alive forever by a shared counter lookup that did not use it.

CVSS Base Scores

version 3.1