Bug 2376426 (CVE-2025-52496) - CVE-2025-52496 mbedtls: Mbed TLS AESNI Race Condition Vulnerability
Summary: CVE-2025-52496 mbedtls: Mbed TLS AESNI Race Condition Vulnerability
Keywords:
Status: NEW
Alias: CVE-2025-52496
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2376680 2376683 2376686 2376688 2376679 2376681 2376682 2376684 2376685 2376687 2376689 2382564
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-07-04 15:01 UTC by OSIDB Bzimport
Modified: 2025-07-22 07:16 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-07-04 15:01:24 UTC 
Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forgery.
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