CVE-2026-52988
netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase
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.
INFO
Published Date :
June 24, 2026, 5:17 p.m.
Last Modified :
Oct. 3, 2026, 11:17 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to a secure version.
- Ensure netlink dump list traversal is safe.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-52988.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-52988 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-52988
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-52988 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-52988 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Oct. 03, 2026
Action Type Old Value New Value Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/52xxx/CVE-2026-52988.json">CVE-2026-52988</a> Added Reference https://git.kernel.org/stable/c/00e370627f2e1fb3585f9d26348b1abddc75442b Added Reference https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f Added Reference https://git.kernel.org/stable/c/28ecfb3d1fe8dea70319de7051cb6718c25b5b52 Added Reference https://git.kernel.org/stable/c/5593c640f9daedec8de61555c41e1019fa675aa6 Added Reference https://git.kernel.org/stable/c/8fdd2204503ab1ce07dc000c277e2c3edf96a67b Added Reference https://git.kernel.org/stable/c/a557816c6e38e9473d99aa9ea8c662f55fc85847 Added Reference https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400 Added Reference https://git.kernel.org/stable/c/ed8d3bd8272e49ea987100de2abfb13710329a9b Removed Reference https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f Removed Reference https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400 Removed Reference Type https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f Types: Patch Removed Reference Type https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400 Types: Patch -
Initial Analysis by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.8 up to (excluding) 7.0.10 Added Reference Type kernel.org: https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 28, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 24, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '78d9f48f7f44431a25da2b46b3a8812f6ff2b981', 'lessThan': '1346be9379639c30877083b12747d4eacb83c24f', 'versionType': 'git'}, {'status': 'affected', 'version': '78d9f48f7f44431a25da2b46b3a8812f6ff2b981', 'lessThan': 'a6134e62dba2ea4f760b29d5226907f447c92400', 'versionType': 'git'}], 'programFiles': ['net/netfilter/nf_tables_api.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.8'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.8', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/netfilter/nf_tables_api.c'], 'defaultStatus': 'affected'}] Added 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. Added Reference https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f Added Reference https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400