UBUNTU-CVE-2026-46063

In the Linux kernel, the following vulnerability has been resolved: x86/shstk: Prevent deadlock during shstk sigreturn During sigreturn the shadow stack signal frame is popped. The kernel does this by reading the shadow stack using normal read accesses. When it can't assume the memory is shadow...

Linux kernel 安全漏洞

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 possibility of deadlock occurring when the shadow stack signals hold a mmap read lock during signal...

EUVD-2025-2581

Malicious code in bioql PyPI...

CVE-2025-21632 x86/fpu: Ensure shadow stack is active before "getting" registers

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Ensure shadow stack is active before "getting" registers The x86 shadow stack support has its own set of registers. Those registers are XSAVE-managed, but they are "supervisor state components" which means that userspace...

Fedora 38 : xen (2024-0da80aa623)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-0da80aa623 advisory. x86: shadow stack vs exceptions from emulation stubs - XSA-451, CVE-2023-46841 2266326 Tenable has extracted the preceding description block directl...