https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-01T02:54:43.442125+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2021-22555 CVE-2021-22555 — Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE 2026-10-01T02:54:43.540573+00:00

Affected: Linux Kernel

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

 https://vulnerability.circl.lu/vuln/lsn-0080-1 LSN-0080-1 — Kernel Live Patch Security Notice 2026-10-01T02:54:43.540674+00:00

Affected: Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:18.04:LTS: linux, Ubuntu:Pro:18.04:LTS: linux-gke-4.15, Ubuntu:Pro:18.04:LTS: linux-gke-5.4, Ubuntu:Pro:18.04:LTS: linux-gkeop-5.4, Ubuntu:Pro:18.04:LTS: linux-hwe-5.4, Ubuntu:Pro:18.04:LTS: linux-oem, Ubuntu:Pro:20.04:LTS: linux and 3 more

Andy Nguyen discovered that the netfilter subsystem in the Linux kernel contained an out-of-bounds write in its setsockopt() implementation. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.(CVE-2021-22555)