CVE-2025-39804

CVE-2025-39804 pertains to the Linux kernel (arm64) where lib/crypto/poly1305 could corrupt SIMD/general-purpose registers in no-SIMD contexts, potentially producing incorrect MACs. The fix restores a safety check to ensure Poly1305 calls do not rely on unusable SIMD state, using may_use_simd() i...

CVE-2025-39802: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: arm/poly1305: Fix register corruption in no-SIMD contexts Restore the SIMD usability check that was removed by commit 773426f4771b "crypto: arm/poly1305 - Add block-only interface". This safety check is cheap and is...

CVE-2025-39804: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: arm64/poly1305: Fix register corruption in no-SIMD contexts Restore the SIMD usability check that was removed by commit a59e5468a921 "crypto: arm64/poly1305 - Add block-only interface". This safety check is cheap and ...