CVE-2026-23289
IB/mthca: Add missed mthca_unmap_user_db() for mthca_create_srq()
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.
INFO
Published Date :
March 25, 2026, 11:16 a.m.
Last Modified :
May 29, 2026, 3:22 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest stable version.
- Apply the specific patch for IB/mthca memory leak.
- Reboot the system after applying the updates.
- Verify the fix by testing the system call path.
Public PoC/Exploit Available at Github
CVE-2026-23289 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-23289.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-23289 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-23289
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
DSA and DLA for Debian last 14 days
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-23289 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-23289 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 29, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 6.19.7 *cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.17 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.130 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.77 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.203 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.167 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.14 up to (excluding) 5.10.253 Added Reference Type kernel.org: https://git.kernel.org/stable/c/117942ca43e2e3c3d121faae530989931b7f67e1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/11ac61f4e9b7c48b0dd44661765e5ace3c441aa3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/72fcfd4df46f2ee684c4776664d0cfc6c1746c9a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/972b72d7e2d8fe1400f1c7a8304c282c539b7e02 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d0148965dbca8cc8efa7e3d6e99940487bf661c0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/da8eaa73bc37d004350ba68eb18b6ade8e49db52 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/deee46b37ebd8cc5ff810127883fca90f2412a7b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f67f1ad4029e9fa183141546de31987b254c9292 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Apr. 18, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/11ac61f4e9b7c48b0dd44661765e5ace3c441aa3 Added Reference https://git.kernel.org/stable/c/72fcfd4df46f2ee684c4776664d0cfc6c1746c9a -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 25, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/117942ca43e2e3c3d121faae530989931b7f67e1 Added Reference https://git.kernel.org/stable/c/972b72d7e2d8fe1400f1c7a8304c282c539b7e02 Added Reference https://git.kernel.org/stable/c/d0148965dbca8cc8efa7e3d6e99940487bf661c0 Added Reference https://git.kernel.org/stable/c/da8eaa73bc37d004350ba68eb18b6ade8e49db52 Added Reference https://git.kernel.org/stable/c/deee46b37ebd8cc5ff810127883fca90f2412a7b Added Reference https://git.kernel.org/stable/c/f67f1ad4029e9fa183141546de31987b254c9292