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CVE-2024-0646 is an out-of-bounds memory-write vulnerability in the Linux kernel Transport Layer Security (kTLS) implementation. When the splice system call is used with a kTLS socket as the destination, the kernel can write into memory pages that should be read-only. The resulting kernel memory corruption can cause a system crash and may be exploitable for local privilege escalation.
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What an attacker gets, and what they’ve been doing with it.
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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.
25 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel TLS splice out-of-bounds write vulnerability presented as an example of a theoretically serious but operationally low-priority flaw due to local access requirements and low exploitation likelihood.
Linux kernel kTLS vulnerability allowing read-only memory pages to be overwritten when splice() targets a kTLS socket.
A Linux kernel kTLS flaw that can overwrite read-only memory pages through splice operations to a kTLS socket.
Linux kernel kTLS vulnerability in which splice to a kTLS socket can overwrite read-only memory pages.
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.