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CVE-2026-23144 is an incomplete resource-cleanup vulnerability in the Linux kernel DAMON sysfs interface. If DAMON context directory setup fails after the attribute directory has been created, its subdirectories are not removed. The abandoned directory structures leak kernel memory and leave the DAMON sysfs interface substantially nonfunctional until the system is rebooted. The fix removes the attribute subdirectories when context directory setup fails.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel DAMON sysfs flaw where failed context directory setup does not clean up attrs/ subdirectories, leaving the DAMON sysfs interface nearly broken until reboot and causing a memory leak.
A setup failure in the Linux kernel DAMON sysfs interface can cause local denial of service and a memory leak. Updated kernel packages contain a fix.
A Linux kernel vulnerability in DAMON sysfs that can cause local denial of service and memory leak via setup failure.
A Linux kernel vulnerability in DAMON sysfs that can cause local denial of service and memory leakage via setup failure.
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.