# CISA adds Linux kernel CVE-2025-39682 to exploited-vulnerability catalog

_Published Saturday, September 19, 2026 at 5:20 AM EDT · Security · Latest · Tier 2 — Notable_

![CISA adds Linux kernel CVE-2025-39682 to exploited-vulnerability catalog — Primary](https://jf.x.com/images/post/2101032059384828241.png)

CISA added CVE-2025-39682, a Linux kernel vulnerability involving an improper check for unusual or exceptional conditions, to its Known Exploited Vulnerabilities Catalog. The agency urged organizations to apply mitigations to protect against cyberattacks. Inclusion in the catalog identifies the flaw as one requiring attention from defenders managing affected Linux environments.

## Sources

- [CISA Cyber (@CISACyber)](https://x.com/CISACyber/status/2101032059384828241)

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Canonical: https://techandbusiness.org/newswire/H8CTMHp7jVy6Q1c45_D1rK
Published: 2026-09-19T09:20:33.223Z
Story chronology: 2026-09-18T19:34:12.000Z
Retrieved: 2026-09-19T11:19:16.412Z
Publisher: Tech & Business (techandbusiness.org)