CVE-2025-22104 is an out-of-bounds read in the Linux kernel IBM Virtual Network Interface Controller (ibmvnic) driver’s hexadecimal-dump logging path. The driver cast dump-buffer data to 8-byte values and emitted it with string formatters. When a buffer length was not divisible by eight, processing the final chunk could read past the allocated buffer boundary. KASAN detected this as a slab out-of-bounds 8-byte read in the ibmvnic_login path. The upstream fix replaces the unsafe formatting approach with an ibmvnic helper that iterates over the buffer using hex_dump_to_buffer.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
7 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.