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CVE-2024-26586 is a stack-based memory-corruption vulnerability in the Linux kernel mlxsw_spectrum driver's spectrum_acl_tcam ACL-group handling. On Spectrum-2 and newer ASICs, firmware can report a maximum ACL-group size greater than the number of ACL entries representable by the PAGT hardware-register layout. When the driver updates an ACL group requiring more than 16 ACLs, mlxsw_sp_acl_tcam_group_update() can corrupt the kernel stack. The fix caps the ACL-group size to the lower of the firmware-reported maximum and the PAGT register capacity.
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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.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel stack-corruption issue in mlxsw spectrum_acl_tcam.
Linux kernel mlxsw Spectrum ACL TCAM stack-corruption vulnerability.
A stack-corruption vulnerability in the Linux kernel mlxsw Spectrum ACL TCAM component.
A stack-corruption vulnerability in the Linux kernel mlxsw spectrum_acl_tcam component, fixed by the kernel-rt update.
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.