CVE-2026-72490
staging: rtl8723bs: fix stainfo check in rtw_aes_decrypt
Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix stainfo check in rtw_aes_decrypt The null-pointer-guard was incorrect, returning _FAIL on valid pointer. Invert the guard, so it returns _FAIL on invalid pointer.
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 17, 2026, 6:19 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply the staging: rtl8723bs: fix stainfo check patch.
- Update the Linux kernel to a patched version.
- Recompile and deploy the 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-2026-72490.
| URL | Resource |
|---|---|
| https://git.kernel.org/stable/c/9a3f9b3c47d8f071b0eb9e63906ac0448058278d | |
| https://git.kernel.org/stable/c/fde2296f87b72ccd72460ce13ad56e8652b321d4 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-72490 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-2026-72490
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-2026-72490 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-72490 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': 'e23ad15700284b63ab5d8ae1370e93f7c1723863', 'lessThan': 'fde2296f87b72ccd72460ce13ad56e8652b321d4', 'versionType': 'git'}, {'status': 'affected', 'version': 'e23ad15700284b63ab5d8ae1370e93f7c1723863', 'lessThan': '9a3f9b3c47d8f071b0eb9e63906ac0448058278d', 'versionType': 'git'}], 'programFiles': ['drivers/staging/rtl8723bs/core/rtw_security.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '7.1'}, {'status': 'unaffected', 'version': '0', 'lessThan': '7.1', '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': ['drivers/staging/rtl8723bs/core/rtw_security.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'e23ad15700284b63ab5d8ae1370e93f7c1723863', 'lessThan': 'fde2296f87b72ccd72460ce13ad56e8652b321d4', 'versionType': 'git'}, {'status': 'affected', 'version': 'e23ad15700284b63ab5d8ae1370e93f7c1723863', 'lessThan': '9a3f9b3c47d8f071b0eb9e63906ac0448058278d', 'versionType': 'git'}], 'programFiles': ['drivers/staging/rtl8723bs/core/rtw_security.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '7.1'}, {'status': 'unaffected', 'version': '0', 'lessThan': '7.1', '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': ['drivers/staging/rtl8723bs/core/rtw_security.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': 'e23ad15700284b63ab5d8ae1370e93f7c1723863', 'lessThan': 'fde2296f87b72ccd72460ce13ad56e8652b321d4', 'versionType': 'git'}, {'status': 'affected', 'version': 'e23ad15700284b63ab5d8ae1370e93f7c1723863', 'lessThan': '9a3f9b3c47d8f071b0eb9e63906ac0448058278d', 'versionType': 'git'}], 'programFiles': ['drivers/staging/rtl8723bs/core/rtw_security.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '7.1'}, {'status': 'unaffected', 'version': '0', 'lessThan': '7.1', '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': ['drivers/staging/rtl8723bs/core/rtw_security.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix stainfo check in rtw_aes_decrypt The null-pointer-guard was incorrect, returning _FAIL on valid pointer. Invert the guard, so it returns _FAIL on invalid pointer. Added Reference https://git.kernel.org/stable/c/9a3f9b3c47d8f071b0eb9e63906ac0448058278d Added Reference https://git.kernel.org/stable/c/fde2296f87b72ccd72460ce13ad56e8652b321d4