Zram versus zswap – two ways to get a quart into a pint pot Linux has two ways to do memory compression – zram and zswap – but you rarely hear about the second. The Register compares and contrasts ...

A novel Linux Kernel cross-cache attack named SLUBStick has a 99% success in converting a limited heap vulnerability into an arbitrary memory read-and-write capability, letting the researchers elevate ...

In particular, memory areas used as input and/or output are isolated from the rest of the kernel and surrounded by guard pages. Without arch hooks, this common base provides weak isolation. On ...

Memory management is a critical aspect of modern operating systems, ensuring efficient allocation and deallocation of system memory. Linux, as a robust and widely used operating system, employs ...

Linux 6.17-rc7 is out, and it's looking good. The latest release candidate is full of small, random changes across various drivers and subsystems, from GPUs to memory management. The seventh release ...

The new attack method can leak privileged kernel memory on CPUs released in the past six years that have hardware mitigations for speculative execution and branch injection attacks like Spectre. Six ...

Apple is advising immediate patching against two critical zero-day vulnerabilities attackers are using to carry out memory-corruption attacks on Apple devices. Tracked as CVE-2024-23225 and ...