Linux Kernel up to 6.5.6 llcp locking

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 5.4.257/5.10.197/5.15.134/6.1.56/6.5.6. This affects an unknown part of the component llcp. Such manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2023-52524. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.4.257/5.10.197/5.15.134/6.1.56/6.5.6 (Operating System). It has been rated as problematic. Affected by this issue is an unknown code block of the component llcp. Using CWE to declare the problem leads to CWE-667. The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered.

The weakness was shared 03/02/2024. The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2023-52524 since 02/20/2024. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 213020 (SUSE SLES15 Security Update : kernel (SUSE-SU-2024:4313-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.258, 5.10.198, 5.15.135, 6.1.57, 6.5.7 or 6.6 eliminates this vulnerability. Applying the patch 191d87a19cf1/dba849cc9811/4837a192f6d0/7562780e32b8/29c16c2bf586/dfc7f7a988da 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 Tenable (213020). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.4.257
• 5.10.197
• 5.15.134
• 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
• 6.1.28
• 6.1.29
• 6.1.30
• 6.1.31
• 6.1.32
• 6.1.33
• 6.1.34
• 6.1.35
• 6.1.36
• 6.1.37
• 6.1.38
• 6.1.39
• 6.1.40
• 6.1.41
• 6.1.42
• 6.1.43
• 6.1.44
• 6.1.45
• 6.1.46
• 6.1.47
• 6.1.48
• 6.1.49
• 6.1.50
• 6.1.51
• 6.1.52
• 6.1.53
• 6.1.54
• 6.1.55
• 6.1.56
• 6.5.0
• 6.5.1
• 6.5.2
• 6.5.3
• 6.5.4
• 6.5.5
• 6.5.6

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

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Entryinfo

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

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