Linux Kernel up to 5.15.175/6.1.120/6.6.66/6.12.5 ksmbd reference count

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.15.175/6.1.120/6.6.66/6.12.5. This impacts an unknown function of the component ksmbd. Performing a manipulation results in reference count. This vulnerability is reported as CVE-2024-58087. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.175/6.1.120/6.6.66/6.12.5. It has been classified as critical. This affects an unknown functionality of the component ksmbd. The manipulation with an unknown input leads to a reference count vulnerability. CWE is classifying the issue as CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue from session lookup and expire Increment the session reference count within the lock for lookup to avoid racy issue with session expire.

The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2024-58087 since 03/06/2025. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 233481 (Ubuntu 22.04 LTS : Linux kernel (Xilinx ZynqMP) vulnerabilities (USN-7390-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.15.176, 6.1.121, 6.6.67 or 6.12.6 eliminates this vulnerability. Applying the patch 2107ab40629aeabbec369cf34b8cf0f288c3eb1b/37a0e2b362b3150317fb6e2139de67b1e29ae5ff/450a844c045ff0895d41b05a1cbe8febd1acfcfd/a39e31e22a535d47b14656a7d6a893c7f6cf758c/b95629435b84b9ecc0c765995204a4d8a913ed52 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 databases at Tenable (233481) and CERT Bund (WID-SEC-2025-0545). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Google Container-Optimized OS
• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• Siemens SIMATIC S7
• RESF Rocky Linux
• SolarWinds Security Event Manager
• Open Source Linux Kernel

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.15.175
• 6.1.120
• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 6.6.5
• 6.6.6
• 6.6.7
• 6.6.8
• 6.6.9
• 6.6.10
• 6.6.11
• 6.6.12
• 6.6.13
• 6.6.14
• 6.6.15
• 6.6.16
• 6.6.17
• 6.6.18
• 6.6.19
• 6.6.20
• 6.6.21
• 6.6.22
• 6.6.23
• 6.6.24
• 6.6.25
• 6.6.26
• 6.6.27
• 6.6.28
• 6.6.29
• 6.6.30
• 6.6.31
• 6.6.32
• 6.6.33
• 6.6.34
• 6.6.35
• 6.6.36
• 6.6.37
• 6.6.38
• 6.6.39
• 6.6.40
• 6.6.41
• 6.6.42
• 6.6.43
• 6.6.44
• 6.6.45
• 6.6.46
• 6.6.47
• 6.6.48
• 6.6.49
• 6.6.50
• 6.6.51
• 6.6.52
• 6.6.53
• 6.6.54
• 6.6.55
• 6.6.56
• 6.6.57
• 6.6.58
• 6.6.59
• 6.6.60
• 6.6.61
• 6.6.62
• 6.6.63
• 6.6.64
• 6.6.65
• 6.6.66
• 6.12.0
• 6.12.1
• 6.12.2
• 6.12.3
• 6.12.4
• 6.12.5

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

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Exploitinginfo

Threat Intelligenceinfo

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Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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