CVE-2026-72012
tracing/osnoise: Call synchronize_rcu() when unregistering
Description
In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Call synchronize_rcu() when unregistering This ensures that any RCU readers traversing the instance list have finished, before releasing the reference on the tracer that the instance points to.
INFO
Published Date :
Aug. 15, 2026, 6:20 a.m.
Last Modified :
Aug. 17, 2026, 6:17 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 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to the latest version.
- Ensure synchronize_rcu() is called during unregistration.
- Test the changes to confirm the fix.
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-2026-72012.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72012 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-2026-72012
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-2026-72012 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72012 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': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': '3c693635bb7b3a9b6645831a84fed2af46cdf249', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': '38366140dc8ee3568c7f0191d517e117963bd580', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'fad36954b29592ce463254179c3043697678481f', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'dd0160a0842337f12e7694d68b184050afc6d3a4', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a', 'versionType': 'git'}], 'programFiles': ['kernel/trace/trace_osnoise.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.17'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.17', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['kernel/trace/trace_osnoise.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': '3c693635bb7b3a9b6645831a84fed2af46cdf249', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': '38366140dc8ee3568c7f0191d517e117963bd580', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'fad36954b29592ce463254179c3043697678481f', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'dd0160a0842337f12e7694d68b184050afc6d3a4', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a', 'versionType': 'git'}], 'programFiles': ['kernel/trace/trace_osnoise.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.17'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.17', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['kernel/trace/trace_osnoise.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': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': '3c693635bb7b3a9b6645831a84fed2af46cdf249', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': '38366140dc8ee3568c7f0191d517e117963bd580', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'fad36954b29592ce463254179c3043697678481f', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'dd0160a0842337f12e7694d68b184050afc6d3a4', 'versionType': 'git'}, {'status': 'affected', 'version': 'a6ed2aee54644cfa2d04ca86308767f5c3a087e8', 'lessThan': 'fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a', 'versionType': 'git'}], 'programFiles': ['kernel/trace/trace_osnoise.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.17'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.17', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc3', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['kernel/trace/trace_osnoise.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Call synchronize_rcu() when unregistering This ensures that any RCU readers traversing the instance list have finished, before releasing the reference on the tracer that the instance points to. Added Reference https://git.kernel.org/stable/c/38366140dc8ee3568c7f0191d517e117963bd580 Added Reference https://git.kernel.org/stable/c/3c693635bb7b3a9b6645831a84fed2af46cdf249 Added Reference https://git.kernel.org/stable/c/dd0160a0842337f12e7694d68b184050afc6d3a4 Added Reference https://git.kernel.org/stable/c/fad36954b29592ce463254179c3043697678481f Added Reference https://git.kernel.org/stable/c/fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a