CVE-2026-23289
Analyzed Analyzed - Analysis Complete
Memory Leak in Linux Kernel IB/mthca Component on Syscall Failure

Publication date: 2026-03-25

Last updated on: 2026-05-29

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: IB/mthca: Add missed mthca_unmap_user_db() for mthca_create_srq() Fix a user triggerable leak on the system call failure path.
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Meta Information
Published
2026-03-25
Last Modified
2026-05-29
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23289
EUVD
EUVD-2026-15218
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.19 (inc) to 6.19.7 (exc)
linux linux_kernel 7.0
linux linux_kernel From 6.13 (inc) to 6.18.17 (exc)
linux linux_kernel From 6.2 (inc) to 6.6.130 (exc)
linux linux_kernel From 6.7 (inc) to 6.12.77 (exc)
linux linux_kernel From 5.11 (inc) to 5.15.203 (exc)
linux linux_kernel From 5.16 (inc) to 6.1.167 (exc)
linux linux_kernel From 2.6.14 (inc) to 5.10.253 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is in the Linux kernel related to the IB/mthca driver. It involves a missing call to mthca_unmap_user_db() in the function mthca_create_srq(). This omission causes a resource leak when a system call fails, which can be triggered by a user.

Impact Analysis

The vulnerability can lead to a resource leak in the system when certain system calls fail. This leak could potentially degrade system performance or stability over time if exploited repeatedly by a user.

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