CVE-2026-45897

kernel: netfilter: nft_counter: serialize reset with spinlock

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 27, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's netfilter component, specifically in how network counters are handled. This vulnerability allows for a race condition during simultaneous operations to read and reset these counters. As a result, counter values could be incorrectly reduced, leading to inaccurate system metrics and potential integrity issues.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-820 · Missing Synchronization