CVE-2026-43284

Vendor

Linux kernel, ABB, Fortinet, Hitachi Energy

Product

Linux kernel, ABB automation / drives / relays, Hitachi Energy grid products, Industrial automation (Japan / robotics)

CVSS

3.1

EPSS

0.16 (p97)

Exposure class

Operating system, OT / ICS

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

1. 51
   CISA advisory CISA 23 Jun 2026

   Impact of Linux Kernel vulnerabilities on B&R products

   B&R is aware of publicly reported vulnerabilities affecting the Linux kernel versions shipped with the products listed as affected in the advisory. Successful local exploitation of these vulnerabilities could allow an attacker to…

   PoC public CVSS 3.1 EPSS 0.16 CVE-2026-31431CVE-2026-43284CVE-2026-46333+2 more Linux kernel ABB
2. 34
   Research Elastic Security Labs 11 Sep 2026

   Linux Detection Engineering - Local Privilege Escalation

   Seven of the thirteen Linux privilege escalation CVEs we tracked in 2026 turned out to be the same copy-on-write bug pointed at different kernel interfaces. We ran the public proof-of-concept for eleven exploits and two…

   PoC public EPSS 0.16 CVE-2026-64600CVE-2026-31431CVE-2026-43284+8 more
3. 30
   Advisory Fortinet PSIRT 3 Jun 2026

   Linux Kernel vulnerability Dirty Frag

   CVSSv3 Score: 8.8 Linux kernel is impacted by CVE-2026-43284 and CVE-2026-43500 which chained together create the Dirty Frag vulnerability.CVE-2026-43284In the Linux kernel, the following vulnerability has been resolved: xfrm…

   CVSS 3.0 Fix available CVE-2026-43284CVE-2026-43500 Fortinet Linux kernel
4. 33
   ICS advisory CISA ICS 2d ago

   Hitachi Energy CoreTec Product

   Hitachi Energy is aware of OS command injection and Dirty Frag vulnerabilities that affect CoreTec product versions listed in this document. Successful exploitation of these vulnerabilities could result in impact on…

   CVE-2026-13162CVE-2026-43284 Hitachi Energy
5. 25
   Wiz Research Wiz 8 May 2026

   Dirty Frag: Linux Kernel Local Privilege Escalation via ESP and RxRPC

   Unpatched kernel flaw chain (CVE-2026-43284, CVE-2026-43500) enables root escalation on major Linux distributions.

   No fix yet CVE-2026-43284CVE-2026-43500 Linux kernel
6. 15
   CISA advisory CISA 13 Aug 2026

   Hitachi Energy APM Edge Product

   Hitachi Energy is aware of Dirty Frag vulnerabilities that affect APM Edge product versions listed in this document. Successful exploitation of these vulnerabilities could result in impact on confidentiality, integrity and…

   CVSS 3.1 CVE-2026-43284CVE-2026-43500 Hitachi Energy