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A race-related error-handling flaw in the Linux kernel pcrypt AEAD path can cause a task to wait indefinitely when the padata instance enters PADATA_RESET during padata_do_parallel(). In this state, padata_do_parallel() returns -EBUSY without arranging for the AEAD completion callback. The caller treats the result as an asynchronous request and waits for completion, resulting in an unbounded wait. The upstream correction returns -EAGAIN for the reset condition, indicating that parallel data is changing and that the operation must be retried rather than awaited.
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A hung-task condition in the Linux kernel pcrypt cryptographic component during PADATA_RESET.
A Linux kernel pcrypt crypto subsystem flaw that can cause a hung task during PADATA_RESET handling.
Linux kernel pcrypt PADATA_RESET hung-task vulnerability.
Linux kernel pcrypt PADATA_RESET hung-task flaw.
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.