canonical ubuntu linux 22.10 vulnerabilities and exploits

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4.7

CVSSv3

Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).

Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10

7.8

CVSSv3

In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free vulnerability in accountsservice by sending a D-Bus message to the accounts-daemon process.

Canonical Accountsservice Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10 Canonical Ubuntu Linux 23.04

7.8

CVSSv3

A privilege escalation attack was found in apport-cli 2.26.0 and previous versions which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a loca...

Canonical Apport Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10

3 Github repositories

7

CVSSv3

io_uring UAF, Unix SCM garbage collection

Linux Linux Kernel Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10

2 Github repositories

7

CVSSv3

Race condition in snap-confine's must_mkdir_and_open_with_perms()

Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10 Canonical Snapd

1 Github repository

10

CVSSv3

Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the controlling terminal which could allow it to cause arbitrary commands to be executed outside of the snap sandbox after the snap exits. Graphical terminal emulators like xterm, gnome-te...

Canonical Snapd Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10 Canonical Ubuntu Linux 23.04

5.5

CVSSv3

The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in function __sys_socket_file() in file net/socket.c. This issue was introduced in da214a475f8bd1d3e9e7a19ddfeb4d1617551bab and fixed in 649c15c7691e9b13cbe9bf6c65c365350e056067.

Linux Linux Kernel 6.3 Linux Linux Kernel Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10

5.5

CVSSv3

Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.

Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10 Canonical Ubuntu Linux 23.04 Canonical Cloud-init Fedoraproject Fedora 38

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