CVE-2026-72293
KVM: s390: vsie: Add missing radix_tree_preload() in _gaccess_shadow_fault()
Description
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: Add missing radix_tree_preload() in _gaccess_shadow_fault() Add missing radix_tree_preload() in _gaccess_shadow_fault() to guarantee forward progress. The core of _gaccess_shadow_fault() has been split into ___gaccess_shadow_fault() in order to simplify locking.
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
Solution
- Update the Linux kernel to include the KVM s390 fix.
- Ensure radix_tree_preload() is correctly implemented.
- Test changes to simplify locking.
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-2026-72293.
| URL | Resource |
|---|---|
| https://git.kernel.org/stable/c/0c3d4ca328e661cb4eda3bb344ea17e4b6a63171 | |
| https://git.kernel.org/stable/c/668e70cc545e2659f3c4adad20a0883533042473 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72293 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-2026-72293
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-2026-72293 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72293 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 Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'e38c884df92119d96f652d51f82661dd2fc0b885', 'lessThan': '0c3d4ca328e661cb4eda3bb344ea17e4b6a63171', 'versionType': 'git'}, {'status': 'affected', 'version': 'e38c884df92119d96f652d51f82661dd2fc0b885', 'lessThan': '668e70cc545e2659f3c4adad20a0883533042473', 'versionType': 'git'}], 'programFiles': ['arch/s390/kvm/gaccess.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '7.0'}, {'status': 'unaffected', 'version': '0', 'lessThan': '7.0', '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': ['arch/s390/kvm/gaccess.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'e38c884df92119d96f652d51f82661dd2fc0b885', 'lessThan': '0c3d4ca328e661cb4eda3bb344ea17e4b6a63171', 'versionType': 'git'}, {'status': 'affected', 'version': 'e38c884df92119d96f652d51f82661dd2fc0b885', 'lessThan': '668e70cc545e2659f3c4adad20a0883533042473', 'versionType': 'git'}], 'programFiles': ['arch/s390/kvm/gaccess.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '7.0'}, {'status': 'unaffected', 'version': '0', 'lessThan': '7.0', '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': ['arch/s390/kvm/gaccess.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': 'e38c884df92119d96f652d51f82661dd2fc0b885', 'lessThan': '0c3d4ca328e661cb4eda3bb344ea17e4b6a63171', 'versionType': 'git'}, {'status': 'affected', 'version': 'e38c884df92119d96f652d51f82661dd2fc0b885', 'lessThan': '668e70cc545e2659f3c4adad20a0883533042473', 'versionType': 'git'}], 'programFiles': ['arch/s390/kvm/gaccess.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '7.0'}, {'status': 'unaffected', 'version': '0', 'lessThan': '7.0', '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': ['arch/s390/kvm/gaccess.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: Add missing radix_tree_preload() in _gaccess_shadow_fault() Add missing radix_tree_preload() in _gaccess_shadow_fault() to guarantee forward progress. The core of _gaccess_shadow_fault() has been split into ___gaccess_shadow_fault() in order to simplify locking. Added Reference https://git.kernel.org/stable/c/0c3d4ca328e661cb4eda3bb344ea17e4b6a63171 Added Reference https://git.kernel.org/stable/c/668e70cc545e2659f3c4adad20a0883533042473