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CVE-2024-36957 is an off-by-one read flaw in the Linux kernel OcteonTX2 AF (octeontx2-af) component. The affected code copied user-supplied data with memdup_user(buffer, count + 1) to obtain a NUL-terminated buffer, despite validation and the supplied buffer covering only count bytes. This could attempt to read one byte beyond the user-provided range. The fix replaces this usage with memdup_user_nul(), which copies the specified count bytes and appends a NUL terminator safely.
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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.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel OcteonTX2 AF driver off-by-one read issue reachable from userspace.
A Linux kernel OcteonTX2 AF driver off-by-one read vulnerability reachable from userspace.
An off-by-one read vulnerability in the Linux kernel octeontx2-af component that can be triggered from userspace.
An off-by-one userspace read flaw in the Linux kernel octeontx2-af component, fixed in the Red Hat 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.