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CVE-2024-54456 is a potential stack buffer overflow in the Linux kernel NFS subsystem, in nfs_sysfs_link_rpc_client(). The function uses a fixed 64-byte name buffer while handling an RPC client program name whose length is not bounded. Unsafe string copying and direct strcat() concatenation can write beyond the destination buffer. The upstream fix replaces these operations with bounded strscpy() and strncat() calls.
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No public exploit code observed for this vulnerability.
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6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel NFS vulnerability involving a potential buffer overflow in nfs_sysfs_link_rpc_client().
Linux kernel NFS client buffer-overflow vulnerability.
Linux kernel NFS potential buffer-overflow vulnerability.
A potential buffer-overflow vulnerability in the Linux kernel NFS implementation's nfs_sysfs_link_rpc_client() function, caused by copying an RPC client's program name of unknown length into a fixed 64-byte buffer using strcat().
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.