9.2
CRITICAL CVSS 3.1
CVE-2026-72496
RDMA/bnxt_re: Proper rollback if the ioremap fails
Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Proper rollback if the ioremap fails bnxt_qplib_alloc_dpi returns success even if ioremap fails. Add the proper rollback when the ioremap fails and return -ENOMEM status.

INFO

Published Date :

Aug. 15, 2026, 6:22 a.m.

Last Modified :

Aug. 17, 2026, 6:19 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2026-72496 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.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
Ensure ioremap failures are properly handled to prevent resource allocation issues.
  • Update the Linux kernel to include the fix for bnxt_re.
  • Verify ioremap operations handle failures correctly.
  • Ensure rollback mechanisms function as expected.
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-2026-72496.

URL Resource
https://git.kernel.org/stable/c/303f6fef95df5e5316970746d861cf6daeeca77f
https://git.kernel.org/stable/c/87267803a8c824616eb147c5dad7030a5db6f878
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-72496 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-2026-72496 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-2026-72496 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-72496 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.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 17, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
    Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0ac20faf5d837b59fb4c041ea320932ed47fd67f', 'lessThan': '303f6fef95df5e5316970746d861cf6daeeca77f', 'versionType': 'git'}, {'status': 'affected', 'version': '0ac20faf5d837b59fb4c041ea320932ed47fd67f', 'lessThan': '87267803a8c824616eb147c5dad7030a5db6f878', 'versionType': 'git'}], 'programFiles': ['drivers/infiniband/hw/bnxt_re/qplib_res.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.5'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.5', 'versionType': 'semver'}, {'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/bnxt_re/qplib_res.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0ac20faf5d837b59fb4c041ea320932ed47fd67f', 'lessThan': '303f6fef95df5e5316970746d861cf6daeeca77f', 'versionType': 'git'}, {'status': 'affected', 'version': '0ac20faf5d837b59fb4c041ea320932ed47fd67f', 'lessThan': '87267803a8c824616eb147c5dad7030a5db6f878', 'versionType': 'git'}], 'programFiles': ['drivers/infiniband/hw/bnxt_re/qplib_res.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.5'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.5', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/infiniband/hw/bnxt_re/qplib_res.c'], 'defaultStatus': 'affected'}]
  • 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': '0ac20faf5d837b59fb4c041ea320932ed47fd67f', 'lessThan': '303f6fef95df5e5316970746d861cf6daeeca77f', 'versionType': 'git'}, {'status': 'affected', 'version': '0ac20faf5d837b59fb4c041ea320932ed47fd67f', 'lessThan': '87267803a8c824616eb147c5dad7030a5db6f878', 'versionType': 'git'}], 'programFiles': ['drivers/infiniband/hw/bnxt_re/qplib_res.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.5'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.5', 'versionType': 'semver'}, {'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/bnxt_re/qplib_res.c'], 'defaultStatus': 'affected'}]
    Added Description In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Proper rollback if the ioremap fails bnxt_qplib_alloc_dpi returns success even if ioremap fails. Add the proper rollback when the ioremap fails and return -ENOMEM status.
    Added Reference https://git.kernel.org/stable/c/303f6fef95df5e5316970746d861cf6daeeca77f
    Added Reference https://git.kernel.org/stable/c/87267803a8c824616eb147c5dad7030a5db6f878
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.