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CVE-2025-38079 is a double-free vulnerability in the Linux kernel AF_ALG hash-socket implementation, in the algif_hash hash_accept path. When accept(2) is invoked on an algif_hash socket with MSG_MORE set and crypto_ahash_import fails, the sk2 socket object is freed on the error path. af_alg_release can subsequently free the same object again, resulting in a slab use-after-free condition. The flaw was introduced in Linux kernel 2.6.38.
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No public exploit code observed for this vulnerability.
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28 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A double-free vulnerability in the Linux kernel cryptographic algif_hash interface's hash_accept function.
A double-free vulnerability in the Linux kernel crypto algif_hash implementation's hash_accept handling.
Double-free vulnerability in the Linux kernel crypto algif_hash hash_accept function.
A Linux kernel crypto algif_hash double-free vulnerability in hash_accept.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.