Bug 2516240 (CVE-2026-72490)

Summary: CVE-2026-72490 kernel: staging: rtl8723bs: fix stainfo check in rtw_aes_decrypt
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in the Linux kernel's rtl8723bs Wi-Fi driver. An incorrect null-pointer guard in the `rtw_aes_decrypt` function could lead to the system misinterpreting memory addresses. This issue may result in a system crash, causing a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-08-15 06:02:11 UTC
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.