CVE-2026-72331
accel/amdxdna: Fix VMA access race
Description
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix VMA access race aie2_populate_range() and amdxdna_umap_release() access a saved VMA pointer that may have already been freed, leading to a potential use-after-free. Remove the VMA accesses from these functions to avoid the race.
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 17, 2026, 6:18 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 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Remove VMA accesses from aie2_populate_range.
- Remove VMA accesses from amdxdna_umap_release.
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-2026-72331.
| URL | Resource |
|---|---|
| https://git.kernel.org/stable/c/1ba02717e821cf14ece642273958647e79698d3d | |
| https://git.kernel.org/stable/c/bea20225c67fed9be3e98619c77af6ee3f43fe07 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72331 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-2026-72331
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-2026-72331 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72331 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:L/UI:N/S:U/C:H/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': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': 'bea20225c67fed9be3e98619c77af6ee3f43fe07', 'versionType': 'git'}, {'status': 'affected', 'version': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': '1ba02717e821cf14ece642273958647e79698d3d', 'versionType': 'git'}], 'programFiles': ['drivers/accel/amdxdna/aie2_ctx.c', 'drivers/accel/amdxdna/amdxdna_gem.c', 'drivers/accel/amdxdna/amdxdna_gem.h'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.16'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.16', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/accel/amdxdna/aie2_ctx.c', 'drivers/accel/amdxdna/amdxdna_gem.c', 'drivers/accel/amdxdna/amdxdna_gem.h'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': 'bea20225c67fed9be3e98619c77af6ee3f43fe07', 'versionType': 'git'}, {'status': 'affected', 'version': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': '1ba02717e821cf14ece642273958647e79698d3d', 'versionType': 'git'}], 'programFiles': ['drivers/accel/amdxdna/aie2_ctx.c', 'drivers/accel/amdxdna/amdxdna_gem.c', 'drivers/accel/amdxdna/amdxdna_gem.h'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.16'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.16', '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/accel/amdxdna/aie2_ctx.c', 'drivers/accel/amdxdna/amdxdna_gem.c', 'drivers/accel/amdxdna/amdxdna_gem.h'], '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': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': 'bea20225c67fed9be3e98619c77af6ee3f43fe07', 'versionType': 'git'}, {'status': 'affected', 'version': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': '1ba02717e821cf14ece642273958647e79698d3d', 'versionType': 'git'}], 'programFiles': ['drivers/accel/amdxdna/aie2_ctx.c', 'drivers/accel/amdxdna/amdxdna_gem.c', 'drivers/accel/amdxdna/amdxdna_gem.h'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.16'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.16', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/accel/amdxdna/aie2_ctx.c', 'drivers/accel/amdxdna/amdxdna_gem.c', 'drivers/accel/amdxdna/amdxdna_gem.h'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix VMA access race aie2_populate_range() and amdxdna_umap_release() access a saved VMA pointer that may have already been freed, leading to a potential use-after-free. Remove the VMA accesses from these functions to avoid the race. Added Reference https://git.kernel.org/stable/c/1ba02717e821cf14ece642273958647e79698d3d Added Reference https://git.kernel.org/stable/c/bea20225c67fed9be3e98619c77af6ee3f43fe07