CVE-2026-64173
tracing: Do not call map->ops->elt_free() if elt_alloc() fails
Description
In the Linux kernel, the following vulnerability has been resolved: tracing: Do not call map->ops->elt_free() if elt_alloc() fails In paths where tracing_map_elt_alloc() failed to allocate objects, the map->ops->elt_alloc() call was never successful. In this case, map->ops->elt_free() should not be called.
INFO
Published Date :
July 19, 2026, 4:17 p.m.
Last Modified :
July 19, 2026, 4:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-64173
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 version.
- Review kernel commit history for related fixes.
- Test the system thoroughly after applying updates.
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-2026-64173.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-64173 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-2026-64173
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-2026-64173 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-64173 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.
-
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': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': '49332e49ad5b20262cc719b03d4123b9362de701', 'versionType': 'git'}, {'status': 'affected', 'version': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': 'b559a218eece132de0c58d444877b5627cbee524', 'versionType': 'git'}, {'status': 'affected', 'version': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': 'b427e9f6d81c9341cba23ef92f860f99f830d91d', 'versionType': 'git'}, {'status': 'affected', 'version': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': 'f383cff9fb382139980bac1bcd3f3f5d59f68435', 'versionType': 'git'}, {'status': 'affected', 'version': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': '1a150947f8480262a46c860f1acb9c6597ca7097', 'versionType': 'git'}, {'status': 'affected', 'version': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': '798183376d9d3e278a270ea0e75a5769c8f145d9', 'versionType': 'git'}, {'status': 'affected', 'version': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': 'b6723339736320b2e1784258ad4490cec7aac11a', 'versionType': 'git'}, {'status': 'affected', 'version': '2734b629525a9dae5bf217cbf0a9651da93d2108', 'lessThan': '8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03', 'versionType': 'git'}], 'programFiles': ['kernel/trace/tracing_map.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.17'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.17', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.258', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.209', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.175', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.142', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.92', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.34', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.11', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['kernel/trace/tracing_map.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: tracing: Do not call map->ops->elt_free() if elt_alloc() fails In paths where tracing_map_elt_alloc() failed to allocate objects, the map->ops->elt_alloc() call was never successful. In this case, map->ops->elt_free() should not be called. Added Reference https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097 Added Reference https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701 Added Reference https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9 Added Reference https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03 Added Reference https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d Added Reference https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524 Added Reference https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a Added Reference https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435