Canonical Ubuntu Linux vulnerabilities

• canonical ubuntu linux NULL pointer dereference in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation CVE-2026-47337 Fix available 3.3 LowMay 28, 2026
• canonical ubuntu linux Use of uninitialized value in Ubuntu Linux AppArmor IPv4/IPv6 socket mediation rules CVE-2026-47336 Fix available 3.3 LowMay 28, 2026
• canonical ubuntu linux NULL pointer dereference in Ubuntu Linux AppArmor notification handling CVE-2026-47335 Fix available 5.5 MediumMay 28, 2026
• canonical ubuntu linux Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling CVE-2026-47334 Fix available 5.5 MediumMay 28, 2026
• canonical ubuntu linux Out-of-bounds read in Ubuntu Linux AppArmor notification handling CVE-2026-47333 Fix available 7.8 HighMay 28, 2026
• canonical ubuntu linux Out-of-bounds read in Ubuntu Linux AppArmor notification handling CVE-2026-47332 Fix available 5.5 MediumMay 28, 2026
• canonical ubuntu linux Use-after-free in Ubuntu Linux AppArmor notification handling CVE-2026-47331 Fix available 7.8 HighMay 28, 2026
• canonical ubuntu linux Use of uninitialized value in Ubuntu Linux AppArmor notification handling CVE-2026-47330 Fix available 3.3 LowMay 28, 2026
• canonical ubuntu linux Incorrect validation of field size in Ubuntu Linux AppArmor notification responses CVE-2026-47329 Fix available 3.3 LowMay 28, 2026
• canonical ubuntu linux Invalid pointer deallocation in Ubuntu Linux AppArmor notification handling CVE-2026-47328 Fix available 6.1 MediumMay 28, 2026
• canonical ubuntu linux NULL pointer dereference in Ubuntu Linux AppArmor notification handling CVE-2026-47327 Fix available 3.3 LowMay 28, 2026
• canonical ubuntu linux Memory leak in Ubuntu Linux AppArmor large notification response allocation CVE-2026-47326 Fix available 5.5 MediumMay 28, 2026
• amazon linux, linux kernel, arista cloudvision agni +142 more +144 more crypto: algif_aead - Revert to operating out-of-place CVE-2026-31431 In KEVPublic exploitFix available EPSS 98.1% 7.8 HighApril 22, 2026
• canonical ubuntu 16.04 lts, ubuntu 18.04 lts, ubuntu 20.04 lts +3 more +5 more Local Privilege Escalation in snapd CVE-2026-3888 Public exploitFix available 7.8 HighMarch 17, 2026
• debian linux, openbsd openssh, canonical ubuntu linux +37 more +39 more Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This... CVE-2026-3497 Fix available 2.7 LowMarch 12, 2026
• sudo, canonical ubuntu linux, debian linux +5 more +7 more Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a... CVE-2025-32463 In KEVPublic exploitFix available EPSS 56.3% 9.3 CriticalJune 30, 2025
• canonical apport, ubuntu linux +1 more Race Condition in Canonical Apport CVE-2025-5054 Public exploitFix available 4.7 MediumMay 29, 2025
• openbsd openssh, canonical ubuntu linux, debian linux +9 more +11 more Openssh: denial-of-service in openssh CVE-2025-26466 Public exploitFix available EPSS 38.7% 5.9 MediumFebruary 18, 2025
• openbsd openssh, almalinux, amazon linux +71 more +73 more Openssh: regresshion - race condition in ssh allows rce/dos CVE-2024-6387 Public exploitFix available EPSS 99.5% 8.1 HighJuly 1, 2024
• canonical ubuntu linux, canonical ltd. ubuntu's gnome-control-center, gnome control center +2 more In Ubuntu, gnome-control-center did not properly reflect SSH remote login status when the system... CVE-2023-5616 Fix available 4.9 MediumDecember 13, 2023
• canonical ubuntu server, ubuntu linux +1 more A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows... CVE-2023-5536 Public exploit 5.0 MediumDecember 11, 2023
• apple ipados, iphone os, macos +4 more +6 more Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate... CVE-2023-45866 Public exploitFix available 6.3 MediumDecember 1, 2023
• gnu glibc, c library, canonical ubuntu linux +48 more +50 more Glibc: buffer overflow in ld.so leading to privilege escalation CVE-2023-4911 In KEVPublic exploitFix available EPSS 63.8% 7.8 HighOctober 3, 2023
• amd ryzen 5 7600x, ryzen 7 4800u, apple m1 mac mini +14 more +16 more PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers software... CVE-2023-44216 5.3 MediumSeptember 26, 2023
• debian linux, linux kernel, canonical ubuntu linux +3 more +5 more An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel... CVE-2023-40283 Fix available 7.8 HighAugust 14, 2023
• debian linux, linux kernel, canonical ubuntu linux +1 more +3 more Use-after-free in Linux kernel's netfilter: nf_tables component CVE-2023-3777 Fix available 7.8 HighAugust 3, 2023
• linux kernel, canonical ubuntu linux, red hat enterprise linux 6 +9 more +11 more Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race CVE-2023-3567 Fix available 7.1 HighJuly 24, 2023
• debian linux, linux kernel, canonical ubuntu linux +1 more +3 more Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability CVE-2023-31248 Fix available 7.8 HighJuly 5, 2023
• debian linux, linux kernel, canonical ubuntu linux +1 more +3 more Use after free in io_uring in the Linux Kernel CVE-2023-3389 Fix available 7.8 HighJune 28, 2023
• canonical accountsservice, ubuntu linux, canonical ltd. accountservice +2 more In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free... CVE-2023-3297 Fix available 8.1 HighJune 28, 2023
• debian linux, linux kernel, canonical ubuntu linux +5 more +7 more An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before... CVE-2023-35788 Public exploitFix available 7.8 HighJune 16, 2023
• canonical ubuntu kernel, ubantu kernel, ubuntu linux +2 more Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data... CVE-2023-32629 Public exploitFix available 7.8 HighJune 6, 2023
• canonical ubuntu kernel, ubantu kernel, ubuntu linux +2 more On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission... CVE-2023-2640 Public exploitFix available EPSS 15.2% 7.8 HighJune 6, 2023
• canonical ubuntu linux, canonical ltd. ubuntu-linux +1 more shiftfs lock unbalance in Ubuntu-specific kernels CVE-2023-2612 Fix available 4.4 MediumMay 30, 2023
• canonical snapd, ubuntu linux +1 more Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the... CVE-2023-1523 Fix available 10.0 CriticalMay 25, 2023
• canonical cloud-init, ubuntu linux, fedoraproject fedora +2 more sensitive data exposure in cloud-init logs CVE-2023-1786 Fix available 5.5 MediumApril 26, 2023
• canonical apport, ubuntu linux +1 more local privilege escalation in apport-cli CVE-2023-1326 Public exploitFix available 7.7 HighApril 13, 2023
• debian linux, linux kernel, canonical ubuntu linux +6 more +8 more A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless... CVE-2023-1380 Fix available EPSS 16.2% 7.1 HighMarch 27, 2023
• debian linux, linux kernel, canonical ubuntu linux +5 more +7 more A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid... CVE-2023-0386 In KEVPublic exploitFix available 7.8 HighMarch 22, 2023
• linux, linux kernel, canonical ubuntu linux +2 more The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in function... CVE-2023-1032 Fix available 4.7 MediumMarch 13, 2023
• linux kernel, canonical ubuntu linux, fedoraproject fedora +10 more +12 more Important: kernel security and bug fix update CVE-2023-0179 Public exploitFix available 7.8 HighJanuary 13, 2023
• canonical snapd, ubuntu linux +1 more snapd Race Condition vulnerability CVE-2022-3328 Public exploitFix available 7.8 HighNovember 30, 2022
• linux kernel, canonical ubuntu linux, linux +1 more +3 more CVE-2022-2602 affecting package kernel for versions less than 5.15.153.1-1 CVE-2022-2602 Public exploitFix available 5.3 MediumOctober 18, 2022
• strongswan, canonical ubuntu linux, debian linux +2 more +4 more strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation... CVE-2022-40617 Fix available 7.5 HighOctober 3, 2022
• debian linux, linux kernel, canonical ubuntu linux +2 more +4 more mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an... CVE-2022-41222 Fix available 7.0 HighSeptember 21, 2022
• bluez, canonical ubuntu linux, debian linux +2 more BlueZ before 5.59 allows physically proximate attackers to cause a denial of service because... CVE-2022-39177 Fix available 8.8 HighSeptember 2, 2022
• bluez, canonical ubuntu linux, debian linux +2 more BlueZ before 5.59 allows physically proximate attackers to obtain sensitive information because... CVE-2022-39176 Fix available 8.8 HighSeptember 2, 2022
• linux, linux kernel, canonical ubuntu linux +1 more +3 more Important: kernel security, bug fix, and enhancement update CVE-2022-2588 Public exploitFix available 5.3 MediumAugust 9, 2022
• linux kernel, canonical ubuntu linux, linux +3 more +5 more Moderate: kernel-rt security and bug fix update CVE-2022-2586 In KEVPublic exploitFix available EPSS 10.2% 5.3 MediumAugust 9, 2022
• linux kernel, canonical ubuntu linux, linux +2 more Important: kernel security, bug fix, and enhancement update CVE-2022-2585 Fix available 5.3 MediumAugust 9, 2022
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