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CVE-2025-71131 is a use-after-free vulnerability in the Linux kernel crypto seqiv component. The affected code dereferences the AEAD request IV member after calling crypto_aead_encrypt(). Because asynchronous completion may free the underlying request as soon as the encryption operation is invoked, the post-call dereference can access freed memory. The upstream fix preserves the required comparison state in a separate unaligned_info variable rather than accessing the request IV after encryption.
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No public exploit code observed for this vulnerability.
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A locally exploitable vulnerability requiring low privileges that can cause high impact to availability; the content does not identify the affected package or component.
A Linux kernel vulnerability in the crypto seqiv component involving use of req->iv after crypto_aead_encrypt.
A Linux kernel crypto subsystem flaw in seqiv where req->iv may be dereferenced after crypto_aead_encrypt returns, creating an invalid use-after-free style memory safety condition due to asynchronous completion.
A Linux kernel vulnerability in the crypto seqiv code fixed by avoiding use of req->iv after crypto_aead_encrypt.
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.