Qualys TRU Discovers Three Bypasses of Ubuntu Unprivileged User Namespace Restrictions

The Qualys Threat Research Unit TRU recently disclosed three security bypasses in Ubuntu's unprivileged user namespace restrictions. Qualys responsibly disclosed these vulnerabilities to the Ubuntu Security Team on January 15, 2025, and has been working with Ubuntu since then. Qualys TRU uncovere...

CVE-2023-52999 net: fix UaF in netns ops registration error path

In the Linux kernel, the following vulnerability has been resolved: net: fix UaF in netns ops registration error path If netassigngeneric fails, the current error path in opsinit tries to clear the gen pointer slot. Anyway, in such error path, the gen pointer itself has not been modified yet, and...

CVE-2023-52999

In the Linux kernel, the following vulnerability has been resolved: net: fix UaF in netns ops registration error path If netassigngeneric fails, the current error path in opsinit tries to clear the gen pointer slot. Anyway, in such error path, the gen pointer itself has not been modified yet, and...

SUSE CVE-2024-7598

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A resource management error vulnerability exists in Linux kernel that stems from an out-of-bounds access in the netns operation registration error path...

AZL-59273 CVE-2025-2312 affecting package cifs-utils for versions less than 6.14-3

A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache...

AZL-59284 CVE-2025-2312 affecting package cifs-utils for versions less than 7.3-1

A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache...

UBUNTU-CVE-2025-2312

A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache...

PT-2025-16745

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-rc4 Description A vulnerability in the Linux kernel has been resolved. The issue is related to the bonding mode and xdp program attachment. When the namespace is deleted, the dev xdp uninstall function is...

CVE-2025-0927

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Filesystem bugs due to corrupt images are not considered a CVE for any filesystem that is only mountable by CAPSYSADMIN in the initial user namespace. That includes delegated mounting...

GHSA-R56H-J38W-HRQQ Kubernetes kube-apiserver Vulnerable to Race Condition

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

Kubernetes kube-apiserver Vulnerable to Race Condition

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition during the namespace deletion process in deleteAllContent in namespacedresourcesdeleter.go. An attacker can bypass network restrictions because network policies are deleted before the pods they are meant to protect. All...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition during the namespace deletion process in deleteAllContent in namespacedresourcesdeleter.go. An attacker can bypass network restrictions because network policies are deleted before the pods they are meant to protect. All...

CVE-2024-7598

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

DEBIAN-CVE-2024-7598

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

AZL-58953 CVE-2024-7598 affecting package kubernetes 1.30.10-21

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

AZL-58960 CVE-2024-7598 affecting package kubernetes 1.28.4-25

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

UBUNTU-CVE-2024-7598

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...

CVE-2024-7598 Network restriction bypass via race condition during namespace termination

A security issue was discovered in Kubernetes where a malicious or compromised pod could bypass network restrictions enforced by network policies during namespace deletion. The order in which objects are deleted during namespace termination is not defined, and it is possible for network policies ...