CVE-2026-63873
accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()
Description
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range() aie2_populate_range() jumps back to the again label without calling mmput(mm), leaking a reference to the mm_struct. Add the missing mmput() before jumping to again.
INFO
Published Date :
July 19, 2026, 3:16 p.m.
Last Modified :
July 19, 2026, 3:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-63873
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
- Apply the patch to the Linux kernel.
- Recompile the kernel with the fix.
- Update the running kernel.
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-2026-63873.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-63873 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-2026-63873
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-2026-63873 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-63873 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
Jul. 19, 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': 'e83fc4c28226be75fbc0c41f2846935ba2b5f949', 'versionType': 'git'}, {'status': 'affected', 'version': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': '21dfec59939120b20d2c7794caaa421f9450be0a', 'versionType': 'git'}, {'status': 'affected', 'version': 'e486147c912f653ef4b60a6c7dbd4168a4c56a9f', 'lessThan': '2f41af638c92bac6f1f9275ea2d1901baef578f3', 'versionType': 'git'}], 'programFiles': ['drivers/accel/amdxdna/aie2_ctx.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.16'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.16', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.36', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.13', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/accel/amdxdna/aie2_ctx.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range() aie2_populate_range() jumps back to the again label without calling mmput(mm), leaking a reference to the mm_struct. Add the missing mmput() before jumping to again. Added Reference https://git.kernel.org/stable/c/21dfec59939120b20d2c7794caaa421f9450be0a Added Reference https://git.kernel.org/stable/c/2f41af638c92bac6f1f9275ea2d1901baef578f3 Added Reference https://git.kernel.org/stable/c/e83fc4c28226be75fbc0c41f2846935ba2b5f949