What’s Vulnerable › Vulnerabilities

CVE-2026-23289: IB/mthca: Add missed mthca_unmap_user_db() for mthca_create_srq()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-25 · updated 2026-06-17

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.

Affected products

• Linux kernel: from 2.6.14 before 5.10.253; from 5.11 before 5.15.203; from 5.16 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.77; from 6.13 before 6.18.17 — fixed in 5.10.253, 5.15.203, 6.1.167, 6.12.77, 6.18.17, 6.19.7

How to fix

Upgrade to a fixed version: Linux kernel 5.10.253, 5.15.203, 6.1.167, 6.12.77. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/117942ca43e2e3c3d121faae530989931b7f67e1
• https://git.kernel.org/stable/c/11ac61f4e9b7c48b0dd44661765e5ace3c441aa3
• https://git.kernel.org/stable/c/72fcfd4df46f2ee684c4776664d0cfc6c1746c9a
• https://git.kernel.org/stable/c/972b72d7e2d8fe1400f1c7a8304c282c539b7e02
• https://git.kernel.org/stable/c/d0148965dbca8cc8efa7e3d6e99940487bf661c0
• https://git.kernel.org/stable/c/da8eaa73bc37d004350ba68eb18b6ade8e49db52
• https://git.kernel.org/stable/c/deee46b37ebd8cc5ff810127883fca90f2412a7b
• https://git.kernel.org/stable/c/f67f1ad4029e9fa183141546de31987b254c9292

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