https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T08:47:38.066099+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2021-22600 CVE-2021-22600 — Double Free in net/packet/af_packet.c leading to priviledge escalation 2026-09-29T08:47:38.195564+00:00

Affected: Linux Kernel Kernel

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755

 https://vulnerability.circl.lu/vuln/usn-5266-1 USN-5266-1 — linux-gke, linux-gke-5.4 vulnerabilities 2026-09-29T08:47:38.195814+00:00

Affected: Ubuntu:18.04:LTS: linux-gke-5.4, Ubuntu:20.04:LTS: linux-gke

It was discovered that the Packet network protocol implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-22600)

Luo Likang discovered that the FireDTV Firewire driver in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-42739)