Ubuntu

Products

ProductCVEsExploitedLatest
Linux kernel21Apr 17, 2021
grub2 in Ubuntu3–Jul 29, 2020
APT1–Nov 4, 2026
edk21–Nov 26, 2025
libvirt1–Nov 6, 2020
Linux1–Mar 25, 2025
Linux kernel (aufs filesystem module)1–Apr 7, 2023
MAAS1–Dec 3, 2025
openssh1–Mar 12, 2026
tmux1–Nov 6, 2020
18.04 LTS (bionic) Linux kernel1–Apr 9, 2020
Ubuntu package linux-bluefield1–Mar 31, 2025
accountsservice1–Nov 17, 2021

Exploited and recent CVEs

  • CVE-2021-3493 High 8.8 Exploited The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combinatio 49.2%
  • CVE-2026-109518 High 7.7 APT RCE via hard link reuse 0.9%
  • CVE-2026-3497 High 8.2 Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH up 2.3%
  • CVE-2025-7044 High 7.7 Privilege Escalation in MAAS via Websocket Request Manipulation 0.3%
  • CVE-2025-2486 Low 3.7 UEFI Shell accessible in AAVMF with Secure Boot enabled on Ubuntu 0.1%
  • CVE-2023-0881 High 7.5 DDoS in Ubuntu package linux-bluefield 0.4%
  • CVE-2022-1804 Medium 5.5 Accountsservice incorrectly drops privileges 0.1%
  • CVE-2020-11935 Medium 4.4 aufs: improperly managed inode reference counts in the vfsub_dentry_open() method 0.2%
  • CVE-2021-3939 High 7.8 Free of static data in accountsservice 0.4%
  • CVE-2021-3492 High 8.8 Ubuntu linux kernel shiftfs file system double free vulnerability 1.5%
  • CVE-2020-27347 High 8.8 tmux stack buffer overflow in function input_csi_dispatch_sgr_colon 0.7%
  • CVE-2020-15708 Critical 9.3 Libvirt Service Arbitrary File Write Privilege Escalation Vulnerability 0.4%
  • CVE-2020-15707 Medium 5.7 GRUB2 contained integer overflows when handling the initrd command, leading to a heap-based buffer overflow. 1.6%
  • CVE-2020-15706 Medium 6.4 GRUB2 contains a race condition leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing. 1.0%
  • CVE-2020-15705 Medium 6.4 GRUB2: avoid loading unsigned kernels when GRUB is booted directly under secureboot without shim 1.4%
  • CVE-2020-8832 Medium 5.5 Ubuntu 18.04 Linux kernel i915 incomplete fix for CVE-2019-14615 0.5%