Vulnerabilidades

Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.

Race condition in Canonical apport up to and including 2.32.0 allows a local attacker to leak sensitive information via PID-reuse by leveraging namespaces. When handling a crash, the function `_check_global_pid_and_forward`, which detects if the crashing process resided in a container, was being called before…

In Ubuntu, gnome-control-center did not properly reflect SSH remote login status when the system was configured to use systemd socket activation for openssh-server. This could unknowingly leave the local machine exposed to remote SSH access contrary to expectation of the user.

accountsservice no longer drops permissions when writting .pam_environment

A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may keep sending such packages, leading to an uncontrolled…

Ubuntu's configuration of gnome-control-center allowed Remote Desktop Sharing to be enabled by default.

An issue was discovered in provd before version 0.1.5 with a setuid binary, which allows a local attacker to escalate their privilege.

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.

Marco Trevisan discovered that the Ubuntu Advantage Desktop Daemon, before version 1.12, leaks the Pro token to unprivileged users by passing the token as an argument in plaintext.

When generating the systemd service units for the docker snap (and other similar snaps), snapd does not specify Delegate=yes - as a result systemd will move processes from the containers created and managed by these snaps into the cgroup of the main daemon within the snap itself when reloading system units. This may…

Apport argument parsing mishandles filename splitting on older kernels resulting in argument spoofing

Apport does not disable python crash handler before entering chroot

is_closing_session() allows users to consume RAM in the Apport process

is_closing_session() allows users to create arbitrary tcp dbus connections

is_closing_session() allows users to fill up apport.log

~/.config/apport/settings parsing is vulnerable to "billion laughs" attack

Apport can be tricked into connecting to arbitrary sockets as the root user

There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.

Ubuntu's pipewire-pulse in snap grants microphone access even when the snap interface for audio-record is not set.

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.

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.

Race condition in snap-confine's must_mkdir_and_open_with_perms()

io_uring UAF, Unix SCM garbage collection

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.