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CVE-2024-26907 affects the Linux kernel RDMA mlx5 driver. In mlx5_ib_post_send(), construction of an Ethernet work-queue element copies an Ethernet segment through the inline-header member, whose declared field size is smaller than the complete Ethernet segment being copied. Although the copy is intended to span adjacent members of the containing segment structure, FORTIFY_SOURCE identifies it as a field-spanning write and emits a kernel warning. The upstream fix changes the access pattern so that the complete Ethernet segment is addressed appropriately and does not trigger the fortified memcpy bounds check.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An unsafe Ethernet-segment access issue in the Linux kernel RDMA mlx5 driver.
Linux kernel RDMA/mlx5 flaw related to unsafe access to an Ethernet segment identified through a fortify-source warning.
Linux kernel RDMA mlx5 Ethernet-segment memory-access vulnerability.
Linux kernel RDMA mlx5 Ethernet-segment access 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.