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CVE-2024-38555 is a use-after-free vulnerability in the Linux kernel Mellanox mlx5 network driver command-processing path. When an mlx5 device is in an internal error state, a firmware command completion can arrive after the command interface has been flushed and completions have been triggered manually. Processing that late firmware completion through the normal completion handler can release an already released command entry, causing a reference-count underflow and use-after-free in mlx5_core.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity Linux kernel use-after-free vulnerability in the mlx5 network-driver command-completion handling. An affected system can encounter a refcount underflow/use-after-free when firmware command completions arrive during an internal device error state.
A high-impact local vulnerability requiring low privileges, with potential complete compromise of confidentiality, integrity, and availability according to the supplied CVSS vectors.
Linux kernel mlx5 networking-driver internal-error handling issue.
Linux mlx5 networking-driver flaw involving command completions during an internal error.
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.