CVE-2024-22401

The CVE-2024-22401 issue affects the Nextcloud Guests app, where non-admin users could alter the allowed-list of apps, enabling use of unintended apps. Affected Nextcloud Guests versions include prior to 2.4.1, prior to 2.5.1, and prior to 3.0.1. Upgrades to 2.4.1, 2.5.1, or 3.0.1 are recommended...

CVE-2024-22401

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users could change the allowed list of apps, allowing them to use apps that were not intended to be used. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or...

Improper handling of request URLs in Guests app allows guest users to bypass app allowlist

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PT-2024-19392 · Nextcloud · Nextcloud Guests App

Name of the Vulnerable Software and Affected Versions: Nextcloud Guests app versions prior to 2.4.1 Nextcloud Guests app versions prior to 2.5.1 Nextcloud Guests app versions prior to 3.0.1 Description: The Nextcloud guests app is a utility to create guest users which can only see files shared wi...

CVE-2024-22401: Improper Preservation of Permissions

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users could change the allowed list of apps, allowing them to use apps that were not intended to be used. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or...

Nextcloud Security Breach

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud that stems from improper handling of request URLs, which allows users to load unallowed application pages...

PT-2024-19393

Name of the Vulnerable Software and Affected Versions Nextcloud guests app versions prior to 2.4.1 Nextcloud guests app versions prior to 2.5.1 Nextcloud guests app versions prior to 3.0.1 Description The Nextcloud guests app is a utility to create guest users which can only see files shared with...

Nextcloud Security Breach

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud guests that stems from the ability for all users to reset the application list for guest users. Affected...

CVE-2024-22402: Improper Preservation of Permissions

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users were able to load the first page of apps they were actually not allowed to access. Depending on the selection of apps installed this may present a permissions bypass. It i...

CVE-2023-20573

A flaw was found in AMD hardware using the Secure Encrypted Virtualization – Secure Nested Paging SEV-SNP feature. This issue may allow a privileged attacker to prevent the delivery of debug exceptions to SEV-SNP guests, potentially resulting in guests not receiving expected debug information...

CVE-2023-20573

A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information...

Information disclosure

A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information...

CVE-2023-20573 Debug Exception Delivery in Secure Nested Paging

A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information...

CVE-2023-20573

CVE-2023-20573 describes a defect in AMD SEV-SNP on 3rd/4th Gen EPYC processors where a privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests, potentially causing guests to miss expected debug information. The issue is local to privileged attackers and affects the deliver...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2024-0340

A vulnerability was found in vhostnewmsg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhostnewmsg function. This issue can allow local privileged users to read...

Design/Logic Flaw

A vulnerability was found in vhostnewmsg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhostnewmsg function. This issue can allow local privileged users to read...

ALPINE-CVE-2023-34322

For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on th...

Design/Logic Flaw

Closing of an event channel in the Linux kernel can result in a deadlock. This happens when the close is being performed in parallel to an unrelated Xen console action and the handling of a Xen console interrupt in an unprivileged guest. The closing of an event channel is e.g. triggered by remova...

UBUNTU-CVE-2023-34322

For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on th...