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 :
Oct. 3, 2026, 11:17 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- 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.
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
Oct. 03, 2026
Action Type Old Value New Value Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/72xxx/CVE-2026-72496.json">CVE-2026-72496</a> Added Reference https://git.kernel.org/stable/c/00444baa8f74d220764ee5903f60759c120cabd5 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 21, 2026
Action Type Old Value New Value Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/72xxx/CVE-2026-72496.json">CVE-2026-72496</a> Added Reference https://git.kernel.org/stable/c/303f6fef95df5e5316970746d861cf6daeeca77f Added Reference https://git.kernel.org/stable/c/3c69ff7f4a761e18ce8abfa0c98e12097b39adaa Added Reference https://git.kernel.org/stable/c/87267803a8c824616eb147c5dad7030a5db6f878 Added Reference https://git.kernel.org/stable/c/f956477c343aa73e9d9c8d6ebf32efac7cd4f4e2 Removed Reference https://git.kernel.org/stable/c/303f6fef95df5e5316970746d861cf6daeeca77f Removed Reference https://git.kernel.org/stable/c/87267803a8c824616eb147c5dad7030a5db6f878 -
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