Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-45897

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 resets cannot both read the same counter values and then both subtract them. A global lock is used for simplicity since resets are infrequent. If this becomes a bottleneck, it can be replaced with a per-net lock later.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 8.7%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-45897


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