High 7.1Published Jun 24, 2026

CVE-2026-52988netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase

Updated under an hour ago (Oct 28, 2026, 1:50 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase Publish new hooks in the list into the basechain/flowtable using splice_list_rcu() to ensure netlink dump list traversal via rcu is safe while concurrent ruleset update is going on.

CVSS: 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness (CWE): CWE-362
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 before ed8d3bd8272e49ea987100de2abfb13710329a9b; 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 builds before 8fdd2204503ab1ce07dc000c277e2c3edf96a67b; from 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 before 5593c640f9daedec8de61555c41e1019fa675aa6; 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 builds before 00e370627f2e1fb3585f9d26348b1abddc75442b; 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 builds before 28ecfb3d1fe8dea70319de7051cb6718c25b5b52; from 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 before a557816c6e38e9473d99aa9ea8c662f55fc85847; from 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 before 1346be9379639c30877083b12747d4eacb83c24f; from 78d9f48f7f44431a25da2b46b3a8812f6ff2b981 before a6134e62dba2ea4f760b29d5226907f447c92400	CNA record
linux linux_kernel linux:linux_kernel	from 5.8 before 7.0.10; 7.1	NVD

References

References

https://git.kernel.org/stable/c/ed8d3bd8272e49ea987100de2abfb13710329a9b
https://git.kernel.org/stable/c/8fdd2204503ab1ce07dc000c277e2c3edf96a67b
https://git.kernel.org/stable/c/5593c640f9daedec8de61555c41e1019fa675aa6
https://git.kernel.org/stable/c/00e370627f2e1fb3585f9d26348b1abddc75442b
https://git.kernel.org/stable/c/28ecfb3d1fe8dea70319de7051cb6718c25b5b52
https://git.kernel.org/stable/c/a557816c6e38e9473d99aa9ea8c662f55fc85847
https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f	patch
https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.