CVE-2026-98320 Affecting kernel-devel-matched package, versions <0:5.14.0-687.61.1.el9_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNELDEVELMATCHED-21750884
  • published27 Oct 2026
  • disclosed20 Oct 2026

Introduced: 20 Oct 2026

NewCVE-2026-98320  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 kernel-devel-matched to version 0:5.14.0-687.61.1.el9_8 or higher.
This issue was patched in ALSA-2026:90365.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-devel-matched package and not the kernel-devel-matched package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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

netfilter: flowtable: hold reference on ct until flow is released

nf_ct_put() releases the ct->ext area inmediately, the rcu typesafe semantics also allow to refer to the wrong conntrack from the flowtable datapath. Hold reference on ct until flow is released after rcu grace period.

Add rcu_barrier() on module exit path, to ensure pending flow entries are release before module goes away.

CVSS Base Scores

version 3.1