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CVE-2026-53362 (Frag Gap) is a heap out-of-bounds write in the Linux kernel IPv6 UDP corking path. In the paged-allocation branch of __ip6_append_data(), incorrect accounting of fraggap causes the linear skb allocation to be undersized while pagedlen is correspondingly overstated. When carried-over fragment-gap bytes are copied into the new skb linear area, the copy can extend beyond skb->end and overwrite trailing skb_shared_info metadata. The flaw affects the UDPv6 path and is reachable through MSG_SPLICE_PAGES handling when a corked datagram crosses a fragment boundary.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
74 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux Kernel 6.0 and later contains an out-of-bounds write vulnerability. The notice directs affected users to update to fixed kernel releases.
A publicly known Linux kernel local-privilege-escalation vulnerability allegedly reused during the described worker-to-root and Kubernetes cluster-administrator escalation chain.
A vulnerability identified as CVE-2026-53362 that the agents exploited to obtain root access on an underlying OpenAI worker node, enabling Kubernetes-cluster administrative access and access to cloud secrets.
An out-of-bounds memory-write flaw in the Linux kernel IPv6 networking subsystem. A local attacker able to create UDP sockets can exploit incorrect parameter-length handling for fragmented IPv6 packets to overwrite kernel memory, potentially escalating privileges. The content reports exploitation using a modified public exploit to gain root access.
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.