Linux Kernel up to 6.3.1 dev_dbg race condition

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 6.3.1. The affected element is the function dev_dbg. The manipulation results in race condition. This vulnerability was named CVE-2023-53639. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.3.1. It has been classified as critical. Affected is the function dev_dbg. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: reduce WARN to dev_dbg() in callback The warn is triggered on a known race condition, documented in the code above the test, that is correctly handled. Using WARN() hinders automated testing. Reducing severity.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2023-53639 since 10/07/2025. The exploitability is told to be difficult. Technical details are known, but there is no available exploit.

Upgrading to version 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15 or 6.3.2 eliminates this vulnerability. Applying the patch f2a429e6da37e32438a9adc250cc176a889c16a4/e7865f84adaf75cee1a4bbf79680329eca92b4e1/0d1792c98351b7c8ebdc53d052918e77d1e512c3/1300517e371e4d0acdb0f1237477e1ed223c3a9a/484d95c69fc1143f09e4c2e3b89019d68d190a92/644df7e865e76ab7a62c67c25cbbc093c944d0ef/6f93154d61b345acbc405c6dee16afb845eb298e/cbec770521ebc455c9811a23222faf8911422d4a/75c4a8154cb6c7239fb55d5550f481f6765fb83c is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2229). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Amazon Linux 2
• Red Hat Enterprise Linux
• SUSE Linux
• Oracle Linux
• RESF Rocky Linux
• Open Source Linux Kernel
• IBM QRadar SIEM
• Dell NetWorker

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.14.314
• 4.19.282
• 5.4.242
• 5.10.179
• 5.15.110
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.1.21
• 6.1.22
• 6.1.23
• 6.1.24
• 6.1.25
• 6.1.26
• 6.1.27
• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5
• 6.2.6
• 6.2.7
• 6.2.8
• 6.2.9
• 6.2.10
• 6.2.11
• 6.2.12
• 6.2.13
• 6.2.14
• 6.3.0
• 6.3.1

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

Threat Intelligenceinfo

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Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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