# CISA alerts of active exploitation of three Linux kernel flaws

> **Open Intelligence Dossier** · First detected: 2026-09-23 15:20 UTC · Category: Technology

## Executive Summary
5 news sources are covering this Technology story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"CISA alerts of active exploitation of three Linux kernel flaws" is generating significant coverage in the Technology category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include CyberSecurityNews, forkast.news, SecurityWeek and The Hacker News. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| CyberSecurityNews | CISA Warns of Linux Kernel Vulnerabilities Actively Exploited in Attacks | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxQWGtnN0RleDR6YXZoU2NxLW5Qa1FBeFp6WkxIWW5oaWZob0Y5NzdScVAxcXVMUG42OEdNdzlxLUtENHlFRGp5Mlc4U1g3YTctdDBZLVZCRDZmZ3F6UnZhanRLTFhlSjNua3VKVkM5ZUtBdmlVZ0E1UVRJNUFRMC1odklpOGPSAYoBQVVfeXFMT0R1clExQ2psaGdvQndXbk8teTJuUVhXZ1BkVVJ5cms1RndsVEllcWwySkR0YUczSVlXa21OVER3b2QyM0VOSERnVjE0YVItcFU4WEoyS0owZzR4eWtJQUF6eVdsanY3U0UtREhFTThNdkNsYUtQY0ZaQlpxTU9KYWhPeURVd0pjSDZR?oc=5) |
| forkast.news | 732 Bytes to Root: Copy Fail Turns the Kernel’s Crypto Subsystem Against Itself | [Source Link](https://news.google.com/rss/articles/CBMioAFBVV95cUxPaG9vZzRtd09UT3k3TTRqRkhfb2JEUDgwY3RSVmswUDRJQmVGb3ZFSlN1bVRENFJqM3U5YWJBeWJTNjJPQXMzbmxqVzJCUnRXWnJvRC1tOHhQUUhSWDhuTFlaTGtTc1RwTWVyOFF1MjF0VDB5QzBrTXpqRUpDZGlHdGJpVGw4SktqQzJiVVlYbFk0d1E4WHV6cENnVkczcUs1?oc=5) |
| SecurityWeek | Organizations Warned of 3 Exploited Linux Kernel Vulnerabilities | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxOM3JTcXg4d0hQUFB2Q0N3MFc2ZWVqZlhxVENBbGphYUdkTkt6QTNzZWlOOU8zdWJ6MnFLM1hnMDFlbG5lb1dtRlhUN3Z6dDh5LXlSU0xyc3VMaElPOFNIRkFGZkF6NEo4SFU2RlFIakV5elNPYU5TOEQzdi1FRHRqU2R0cC1pbkNsS0RmUmotQUkzSUQ5ZGVfRUNR0gGfAUFVX3lxTE9ZZFJSUlptanUzODU0ZFZSdUFMSnhkWUxxdEdYZE9PSHhoSFcxZWQ3XzQySEdsNVlqRktiWVRHeFo1LVdOSUlhSE1MUUFPT2x3Sl9UcllxM1RKeWM0NVluN2xhU2UxYi1iejVxa0k3aXZSZWgyZlVoRjlLTFlQMHF3eEYyVVI3dFBGLWVqSmVIMVlOeFRIVWpVVlRsOUg1VQ?oc=5) |
| The Hacker News | Public Exploits Released for Four Linux Kernel Flaws That Enable Local Root | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxQb2xtQ0k0YV96ODhUOWFCMWlLaWhOTnhmbHpBLWpvZzFvZzBpai1fNDk3YXhtdmRaVi13QmdQLW9IZVhGS21oSHhWVmhCYkJnTF9TQU96UGVGNXQ3NG9EY0dlSnlmd0dnRHNObEJFY2hTMlhjLTFvcm82RDhtbDNUMEhCUEg?oc=5) |
| bleepingcomputer.com | CISA alerts of active exploitation of three Linux kernel flaws | [Source Link](https://news.google.com/rss/articles/CBMirwFBVV95cUxNVXZQM2VHVmpqX1Brcml5MGk2SHFJdDV2VkkzcGdvaDBXVEZlSmNfRlpZQ3ZULWtqMk4weXduSV9PNzZBV3NOajExaWdOQ0FRWXpTRXdieWxfZ2FqcFFNWThjSDRQSlVEWEtrNERRTlljWmJzcG1DZmowNmM3c2dyM2Y4Vi1odWQ2WXFaX0xycDlQZmNGbXpJbHI2aE9RcU9PYlhXMXNkeWVKelBsOHZj0gG0AUFVX3lxTE9mM0RObjU1T01MWl9uZ084cXZxQ0lvT2lEQVFyTVpxcVpGTzNidWNyZ2x5by1NdHNCSndVMllnbkM1bmg1ZmxETzZ3bmdLZHRXZ3FtU0RPX2FJUDRnUWU2RjVRRHd3WE9nU0dwUG12Zm5JbXdKN2l4Xy1oMFlyTjRNQXV2OW9wTVZXb2NBWnBnMUhCVFBhMnVzTTNSVGJVaDgyZ3I) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-23/cisa-alerts-of-active-exploitation-of-three-linux-kernel-flaws*