CVE-2024-26910

MEDIUM
Published Apr 17, 2024 Modified Nov 21, 2024 CWE-362

Description

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.

Is your site exposed to CVE-2024-26910?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.7
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-362 CWE-362

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2024-26910? +
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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).
How severe is CVE-2024-26910? +
CVE-2024-26910 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-26910? +
CVE-2024-26910 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26910? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-41458

OwnTone Server versions 28.4 through 29.0 contain a race condition vulnerability in the DAAP login handler that allows unauthenticated attackers …
CVE-2025-13036

An authentication bypass security issue exists within FactoryTalk Historian Site Edition. By continually sending requests to the login endpoint, an …
CVE-2025-0372

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in HYPR Passwordless on Windows allows Privilege Escalation.This issue …
CVE-2025-59052

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Angular uses a …
CVE-2024-47534

go-tuf is a Go implementation of The Update Framework (TUF). The go-tuf client inconsistently traces the delegations. For example, if …
CVE-2025-64118

node-tar is a Tar for Node.js. In 7.5.1, using .t (aka .list) with { sync: true } to read tar …

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2024-26910 — free, no signup required.