Vulnerabilities > Canonical > Ubuntu Linux > 21.10

DATE CVE VULNERABILITY TITLE RISK
2023-12-12 CVE-2023-5536 Incorrect Default Permissions vulnerability in Canonical Ubuntu Linux
A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password.
local
high complexity
canonical CWE-276
6.4
2023-04-19 CVE-2022-2084 Information Exposure Through Log Files vulnerability in Canonical Cloud-Init and Ubuntu Linux
Sensitive data could be exposed in world readable logs of cloud-init before version 22.3 when schema failures are reported.
local
low complexity
canonical CWE-532
5.5
2022-08-23 CVE-2021-3975 Use After Free vulnerability in multiple products
A use-after-free flaw was found in libvirt.
6.5
2022-08-23 CVE-2021-3905 Memory Leak vulnerability in multiple products
A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing.
7.5
2022-03-29 CVE-2022-1055 Use After Free vulnerability in multiple products
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation.
7.8
2022-03-23 CVE-2021-3748 Use After Free vulnerability in multiple products
A use-after-free vulnerability was found in the virtio-net device of QEMU.
7.5
2022-03-03 CVE-2021-3640 Race Condition vulnerability in multiple products
A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page.
7.0
2022-02-21 CVE-2021-4115 There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. 5.5
2022-02-21 CVE-2021-44142 Out-of-bounds Write vulnerability in multiple products
The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes.
8.8
2022-02-18 CVE-2016-2124 Improper Authentication vulnerability in multiple products
A flaw was found in the way samba implemented SMB1 authentication.
network
high complexity
samba debian fedoraproject redhat canonical CWE-287
5.9