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THREAT OPS › Threat News › [NVD] CVE-2026-45897 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_counter: serialize reset with spinlock Add a global static spinlock to serialize counter fetch+reset operations, preventing concurrent dump-and-reset from underrunning values. The lock is taken

[NVD] CVE-2026-45897 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_counter: serialize reset with spinlock Add a global static spinlock to serialize counter fetch+reset operations, preventing concurrent dump-and-reset from underrunning values. The lock is taken

lownvdPublished 2026-05-27

CVE-2026-45897 CVSS: 5.5 MEDIUM Published: 2026-05-27T14:17:03.977

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

netfilter: nft_counter: serialize reset with spinlock

Add a global static spinlock to serialize counter fetch+reset operations, preventing concurrent dump-and-reset from underrunning values.

The lock is taken before fetching the total so that two parallel reset

Indicators of compromise

CVE-2026-45897cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-45897