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CVE-2026-52988

netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase

HIGH
7.1
CVSS Score
Published: June 24, 2026 at 04:29 PM UTC
Updated: October 19, 2026 at 08:18 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.8 ≤ v < 7.0.107.17.1 rc178d9f48f7f44431a25da2b46b3a8812f6ff2b981
Vendor states this is fixed in 00e370627f2e1fb3585f9d26348b1abddc75442b (fixed)
Vendor states this is fixed in 1346be9379639c30877083b12747d4eacb83c24f (fixed)
Vendor states this is fixed in 28ecfb3d1fe8dea70319de7051cb6718c25b5b52 (fixed)
Vendor states this is fixed in 5593c640f9daedec8de61555c41e1019fa675aa6 (fixed)
Vendor states this is fixed in 8fdd2204503ab1ce07dc000c277e2c3edf96a67b (fixed)
Vendor states this is fixed in a557816c6e38e9473d99aa9ea8c662f55fc85847 (fixed)
Vendor states this is fixed in a6134e62dba2ea4f760b29d5226907f447c92400 (fixed)
Vendor states this is fixed in ed8d3bd8272e49ea987100de2abfb13710329a9b (fixed)
Vendor states this is fixed in 5.10.271 (unaffected)
Vendor states this is fixed in 5.15.222 (unaffected)
Vendor states this is fixed in 5.8 (unaffected)
Vendor states this is fixed in 6.1.189 (unaffected)
Vendor states this is fixed in 6.12.112 (unaffected)
Vendor states this is fixed in 6.18.55 (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 7.0.10 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-362

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