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 perf subsystem’s failure to check whether current-mm is still alive when retrieving the call...

CVE-2025-38504

Summary: CVE-2025-38504 relates to the Linux kernel, specifically the io_uring/zcrx component. The connected documents describe a code-level fix in the destruction path for page pools, where a misplaced warning could trigger during destruction and affect niovs handling. The root cause is that nio...

CVE-2021-47228

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices, efimemreserve is use...

Apple OS X IOGeneralMemoryDescriptor Elevation of Privilege Vulnerability

Apple OS X is an operating system from Apple. Apple OS X suffers from an elevation of privilege vulnerability that stems from the IOGeneralMemoryDescriptor interface failing to perform integer overflow detection on user-supplied input, allowing a local attacker to exploit the vulnerability to...

Apple Mac OSX - 'IOHDIXControllerUserClient::convertClient' Buffer Integer Overflow

/ Source: https://code.google.com/p/google-security-research/issues/detail?id=511 Method 5 of the IOHDIXController user client is createDrive64. This takes a 0x100 byte structure input from which it reads a userspace pointer and a size which it passes to IOHDIXController::convertClientBuffer. Thi...