CVE-2026-43091 xfrm: Wait for RCU readers during policy netns exit

In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit xfrmpolicyfini frees the policybydst hash tables after flushing the policy work items and deleting all policies, but it does not wait for concurrent RCU readers to leave their...

AZL-82019 CVE-2026-23405 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of restrictions on the number of policy namespace levels. This vulnerability may lead to...

The vulnerability of the alloc_ns() function in the security/apparmor/policy_ns.c module of the AppArmor security component for Linux kernel allows a attacker to cause a service failure.

The vulnerability of the allocns function in the security/apparmor/policyns.c file of the AppArmor security component of the Linux operating system is related to improper memory release. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...