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CVE-2024-26910 Detail


In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix performance regression in swap operation The patch "netfilter: ipset: fix race condition between swap/destroy and kernel side add/del/test", commit 28628fa9 fixes a race condition. But the synchronize_rcu() added to the swap function unnecessarily slows it down: it can safely be moved to destroy and use call_rcu() instead. Eric Dumazet pointed out that simply calling the destroy functions as rcu callback does not work: sets with timeout use garbage collectors which need cancelling at destroy which can wait. Therefore the destroy functions are split into two: cancelling garbage collectors safely at executing the command received by netlink and moving the remaining part only into the rcu callback.


CVSS 4.0 Severity and Metrics:

NVD assessment not yet provided.

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/653bc5e6d9995d7d5f497c665b321875a626161c Patch 
https://git.kernel.org/stable/c/970709a67696b100a57b33af1a3d75fc34b747eb Patch 
https://git.kernel.org/stable/c/97f7cf1cd80eeed3b7c808b7c12463295c751001 Patch 
https://git.kernel.org/stable/c/a24d5f2ac8ef702a58e55ec276aad29b4bd97e05 Patch 
https://git.kernel.org/stable/c/b93a6756a01f4fd2f329a39216f9824c56a66397 Patch 
https://git.kernel.org/stable/c/c2dc077d8f722a1c73a24e674f925602ee5ece49 Patch 
https://git.kernel.org/stable/c/c7f2733e5011bfd136f1ca93497394d43aa76225 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

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