CVE-2025-68823

creationtimestamp| type| source ---|---|--- 2026-05-10 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20260511 2026-06-01 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20260602...

CVE-2025-68823

A flaw was found in the Linux kernel's ublk driver. A local attacker, by opening a ublk block device to read its partition table, could trigger a deadlock. This vulnerability leads to a Denial of Service DoS as the same task waits for a mutex it already holds, preventing further operations...