Denial Of Service (DoS)

systemd is vulnerable to denial of service. The vulnerability exists due to the onstreamio function and dnsstreamcomplete function in resolved-dns-stream.c does not properly increment the reference counting for the DnsStream object, allowing an attacker to cause a system crash through the...

USN-5614-2 wayland vulnerability

USN-5614-1 fixed a vulnerability in Wayland. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Wayland incorrectly handled reference counting certain objects. An attacker could use this issue to cause Wayland to crash, resulting ...

PT-2025-18546

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the drm/scheduler. The issue involved leaking dependency fences when processes were being killed, and a reference to the...

systemd-resolved: use-after-free when dealing with DnsStream in resolved-dns-stream.c

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

OESA-2022-1920 wayland security update

Wayland is a protocol for a compositor to talk to its clients as well as a C library implementation of that protocol. The compositor can be a standalone display server running on Linux kernel modesetting and evdev input devices, an X application, or a wayland client itself. The clients can be...

USN-5614-1 wayland vulnerability

It was discovered that Wayland incorrectly handled reference counting certain objects. An attacker could use this issue to cause Wayland to crash, resulting in a denial of service, or possibly execute arbitrary code...

SUSE-SU-2022:3282-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-36879: Fixed an issue in xfrmexpandpolicies in net/xfrm/xfrmpolicy.c where a refcount could be dropped twice bnc1201948. - CVE-2022-3028: Fixed ra...

Design/Logic Flaw

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

CVE-2022-2526

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

CVE-2022-2526

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

systemd-resolved: use-after-free when dealing with DnsStream in resolved-dns-stream.c

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

systemd-resolved: use-after-free when dealing with DnsStream in resolved-dns-stream.c

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

LSN-0089-1: Kernel Live Patch Security Notice

Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

UBUNTU-CVE-2022-2526

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

CVE-2022-2526

A use-after-free vulnerability was found in systemd. This issue occurs due to the onstreamio function and dnsstreamcomplete function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the...

CLSA-2022-1659017902 Fixed CVE-2021-22543 in kernel

KVM: do not allow mapping valid but non-reference-counted pages CVE-2021-22543...

GHSA-9RG7-3J4F-CF4X QueryInterface should call AddRef before returning pointer

Affected version of this crate, which is a required dependency in com-impl, provides a faulty implementation of the IUnknown::QueryInterface method. QueryInterface implementation must call IUnknown::AddRef before returning the pointer, as describe in this documentation: As it is not incrementing...

LSN-0086-1: Kernel Live Patch Security Notice

It was discovered that a race condition existed in the network scheduling subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2021-39713 Yiqi Sun and Kevin Wang...

Ubuntu: Security Advisory (USN-5443-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5444-1 linux-oem-5.14, linux-oem-5.17 vulnerability

Kyle Zeng discovered that the Network Queuing and Scheduling subsystem of the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...