Linux Multiple Vulnerabilities

Multiple vulnerabilities were discovered in Linux systems in the past, they may allow a remote attacker to execute arbitrary code or command and affect related systems. Please find the details in below table and take remediation immediately to affected systems.

Linux Vulnerabilities in last 12 months:

Vulnerabilities	Publish Date
Linux Kernel Local Privilege Escalation and Container Escape Vulnerability “SCTPhantom” (CVE-2026-64564)^[new]	11 Aug 2026
Linux Kernel XFS Local Privilege Escalation Vulnerability “RefluXFS” (CVE-2026-64600)	24 Jul 2026
Linux Kernel KVM Guest-to-Host Escape Vulnerability “Januscape” (CVE-2026-53359)	9 Jul 2026
Linux Kernel Local Privilege Escalation Vulnerability “GhostLock” (CVE-2026-43499)	9 Jul 2026
Linux Kernel Local Privilege Escalation Vulnerability “Bad Epoll” (CVE-2026-46242)	6 Jul 2026
Linux Kernel Local Privilege Escalation Vulnerability “DirtyClone” (CVE-2026-43503)	29 June 2026
Linux Kernel Local Privilege Escalation Vulnerability “pedit COW” (CVE-2026-46331)	29 June 2026
Linux Kernel Local Privilege Escalation Vulnerability “CIFSwitch” (CVE-2026-46243)	2 June 2026
Linux Kernel Local Privilege Escalation Vulnerability “PinTheft” (CVE-2026-43494)	22 May 2026
Linux Kernel Local Privilege Escalation Vulnerability “DirtyDecrypt / DirtyCBC” (CVE-2026-31635)	19 May 2026
Linux Kernel Local Privilege Escalation Vulnerability “Fragnesia” (CVE-2026-46300)	15 May 2026
Linux Kernel Local Privilege Escalation Vulnerability “Dirty Frag” (CVE-2026-43284, CVE-2026-43500)	08 May 2026
Linux Kernel Local Privilege Escalation Vulnerability “Copy Fail” (CVE-2026-31431)	04 May 2026

Enquiry

For enquiries, please contact infosec@cuhk.edu.hk. Thanks a lot.

Published on: 20 Jul 2023

Last update on: 24 Jul 2026

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