CVE-2026-72011
s390/diag: Add missing array_index_nospec() call to memtop_get_page_count()
Description
In the Linux kernel, the following vulnerability has been resolved: s390/diag: Add missing array_index_nospec() call to memtop_get_page_count() 'level' is user space controlled and used to read from an array. Add the missing array_index_nospec() call to prevent speculative execution.
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
Solution
- Apply the kernel patch for s390/diag.
- Ensure array_index_nospec() is called.
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-2026-72011.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72011 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-2026-72011
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-2026-72011 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72011 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': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': 'c6b4d454865a81ceea1422243aaaedc363b6f713', 'versionType': 'git'}, {'status': 'affected', 'version': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': '83fe36f81200b7a85f8efe0a68a4e58be84d5f64', 'versionType': 'git'}, {'status': 'affected', 'version': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': 'b7577fe4c47a31ca7c99714c53244a44af03cdfe', 'versionType': 'git'}], 'programFiles': ['arch/s390/kernel/diag/diag310.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.14'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.14', 'versionType': 'semver'}, {'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': ['arch/s390/kernel/diag/diag310.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': 'c6b4d454865a81ceea1422243aaaedc363b6f713', 'versionType': 'git'}, {'status': 'affected', 'version': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': '83fe36f81200b7a85f8efe0a68a4e58be84d5f64', 'versionType': 'git'}, {'status': 'affected', 'version': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': 'b7577fe4c47a31ca7c99714c53244a44af03cdfe', 'versionType': 'git'}], 'programFiles': ['arch/s390/kernel/diag/diag310.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.14'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.14', 'versionType': 'semver'}, {'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': ['arch/s390/kernel/diag/diag310.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': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': 'c6b4d454865a81ceea1422243aaaedc363b6f713', 'versionType': 'git'}, {'status': 'affected', 'version': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': '83fe36f81200b7a85f8efe0a68a4e58be84d5f64', 'versionType': 'git'}, {'status': 'affected', 'version': '0d30871739ab433e114b0058f08b6b1c7b816f7e', 'lessThan': 'b7577fe4c47a31ca7c99714c53244a44af03cdfe', 'versionType': 'git'}], 'programFiles': ['arch/s390/kernel/diag/diag310.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.14'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.14', 'versionType': 'semver'}, {'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': ['arch/s390/kernel/diag/diag310.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: s390/diag: Add missing array_index_nospec() call to memtop_get_page_count() 'level' is user space controlled and used to read from an array. Add the missing array_index_nospec() call to prevent speculative execution. Added Reference https://git.kernel.org/stable/c/83fe36f81200b7a85f8efe0a68a4e58be84d5f64 Added Reference https://git.kernel.org/stable/c/b7577fe4c47a31ca7c99714c53244a44af03cdfe Added Reference https://git.kernel.org/stable/c/c6b4d454865a81ceea1422243aaaedc363b6f713