CVE-2026-74296
RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one Free the UAR index returned by the hardware.
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 15, 2026, 6:22 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-74296
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to the latest stable version.
- Apply the patch for RDMA/mlx5 UAR index issue.
- Ensure hardware UAR index is correctly managed.
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-2026-74296.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-74296 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-2026-74296
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-74296 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-74296 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.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0', 'lessThan': '80f1f49f53a42733e60c90e0ec545e647969214d', 'versionType': 'git'}, {'status': 'affected', 'version': '4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0', 'lessThan': 'aabfc845838ef453f1d22d7665596f9cc48be7dd', 'versionType': 'git'}, {'status': 'affected', 'version': '4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0', 'lessThan': '6f83de384ca582fa87b4c2b0d03bd1ed3bf9a2ee', 'versionType': 'git'}, {'status': 'affected', 'version': '4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0', 'lessThan': 'd3ff718c0c7153e2641e6a09507bace14fc5c402', 'versionType': 'git'}, {'status': 'affected', 'version': '4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0', 'lessThan': 'ef369446f62903ea079e8a7954b5bf8bb8300fe3', 'versionType': 'git'}, {'status': 'affected', 'version': '4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0', 'lessThan': '449ae7927152e46acbe5f19f97eafdae6d3a96b1', 'versionType': 'git'}], 'programFiles': ['drivers/infiniband/hw/mlx5/main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.16'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.16', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/infiniband/hw/mlx5/main.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one Free the UAR index returned by the hardware. Added Reference https://git.kernel.org/stable/c/449ae7927152e46acbe5f19f97eafdae6d3a96b1 Added Reference https://git.kernel.org/stable/c/6f83de384ca582fa87b4c2b0d03bd1ed3bf9a2ee Added Reference https://git.kernel.org/stable/c/80f1f49f53a42733e60c90e0ec545e647969214d Added Reference https://git.kernel.org/stable/c/aabfc845838ef453f1d22d7665596f9cc48be7dd Added Reference https://git.kernel.org/stable/c/d3ff718c0c7153e2641e6a09507bace14fc5c402 Added Reference https://git.kernel.org/stable/c/ef369446f62903ea079e8a7954b5bf8bb8300fe3