Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 08:38:28 +0000 CVE-2021-22555 — Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE https://vulnerability.circl.lu/vuln/cve-2021-22555 <p><strong>Affected:</strong> Linux Kernel</p> <p>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</p> <p><strong>Affected:</strong> Linux Kernel</p> <p>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</p> https://vulnerability.circl.lu/vuln/cve-2021-22555 LSN-0080-1 — Kernel Live Patch Security Notice https://vulnerability.circl.lu/vuln/lsn-0080-1 <p><strong>Affected:</strong> 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</p> <p>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)</p> <p><strong>Affected:</strong> 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</p> <p>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)</p> https://vulnerability.circl.lu/vuln/lsn-0080-1