Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in various contexts. When a program running in a non-preemptible context uses the bpfsendsignal function, issues may arise because this function can enter ...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the blkaddTrace function using the thiscpu operation within preemptible contexts, potentially leading t...

Siemens SIMATIC Devices Improper Input Validation (CVE-2025-21728)

bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non- preemptible context uses the bpfsendsignal kfunc, it will cause issues because this kfunc can sleep. This plugin only works with Tenable.ot. Please visit...

PT-2025-8811

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been resolved, related to BPF programs executing in non-preemptible contexts. When a BPF program uses the bpf send signal function in such a context, it c...

PT-2023-33112 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.13 Description: The issue is related to the use of this cpu add in preemptible contexts within the netfilter conntrack component. The actual impact and potential for attacks have not been fully proven...