Vulnerability in Linux

CVE-2026-52988

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (4.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-52988: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 78d9f48f7f44431a25da2b46b3a8812f6ff2b981, 5.8, 0
  • Linux Kernel — versions 7.1

References

Frequently asked questions

What is CVE-2026-52988?
CVE-2026-52988 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-06-24.
How severe is CVE-2026-52988?
High severity. CVSS v3 base score is 7.1 out of 10.