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CVE-2025-38079 is a double-free vulnerability in the Linux kernel AF_ALG hash-socket implementation, in the crypto algif_hash hash_accept path. When accept(2) is called on an algif_hash socket with MSG_MORE set and crypto_ahash_import fails, the sk2 socket object is freed in the error path and then freed again by af_alg_release. The resulting double free causes a slab use-after-free condition.
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A double-free vulnerability in the Linux kernel algif_hash cryptographic socket interface, in hash_accept().
A Linux kernel cryptographic AF_ALG hash-socket double-free/use-after-free vulnerability. Under an error path involving accept(2), MSG_MORE, and a failed crypto_ahash_import operation, the socket object can be freed twice.
A Linux kernel crypto algif_hash double-free vulnerability in hash_accept affecting the Rocky Linux 9 kernel packages referenced by CIQ advisory crlsa-2025_13602.
A double-free vulnerability in the Linux kernel cryptographic algif_hash interface's hash_accept function.
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Cross-references every affected SKU, including bundled OEM variants.
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