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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-72436 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using test_bit() which is a relaxed atomic operation and provides no memory barrier guarantees. Use test_bit_acquire() instead where the operation may run parallel with add/del/gc, i.e. is not one from the next cases - protected by region lock - in a set destroy phase - in a new/temporary set creation phase


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/3219d74e4536658c937fd878a327257b86ce80dd kernel.org
https://git.kernel.org/stable/c/6329d3a9afe715fddda0460cfa46b496d61c2fe0 kernel.org
https://git.kernel.org/stable/c/7445fe965b7d8756070a40e80f8b73348ccda1d7 kernel.org
https://git.kernel.org/stable/c/c107233d2ff4fd7cef5d02f9124b99194957a710 kernel.org
https://git.kernel.org/stable/c/c4d257734e91bfcdc71d41843392dd6400b5bb1b kernel.org
https://git.kernel.org/stable/c/e4b4984e28c16406ecb318444dea4a8bf47def3e kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-72436
NVD Published Date:
08/15/2026
NVD Last Modified:
08/15/2026
Source:
kernel.org