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CVE-2023-1390 is a remotely exploitable denial-of-service vulnerability in the Linux kernel Transparent Inter-Process Communication (TIPC) module. In tipc_link_xmit(), a while loop can enter an invalid state when parsing socket buffers that are not queued. An attacker can trigger this condition by transmitting two small UDP packets to a host configured with a UDP TIPC bearer, causing the affected CPU to become fully utilized.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remotely triggerable denial-of-service vulnerability in the Linux kernel TIPC module, fixed by the kernel-rt update.
A remote denial-of-service vulnerability in the Linux kernel TIPC module.
A Linux kernel vulnerability enabling remote denial of service in the TIPC kernel module, addressed through Red Hat's kpatch live-update package.
A Linux kernel vulnerability that can cause remote denial of service through the TIPC kernel module, addressed through a Red Hat kpatch-patch security 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.