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CVE-2025-71231 is a Linux kernel vulnerability in the crypto/iaa subsystem. The flaw is in find_empty_iaa_compression_mode(), where a local variable is initialized to -EINVAL but that value is immediately overwritten by the loop logic and therefore never returned. When no empty compression mode is available, the function can return IAA_COMP_MODES_MAX instead of an error. That out-of-range index is then used by add_iaa_compression_mode(), causing an invalid array access. The upstream fix changes the function so it returns either a valid compression-mode index or -EINVAL. Based on the provided content, this is an out-of-bounds index/array access bug in kernel code that can lead to memory-safety failure.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
11 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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.