CVE-2023-53254

CVE-2023-53254 is a Linux kernel vulnerability related to the cacheinfo shared_cpu_map. The issue occurs when the kernel checks that caches with the same index are shared, which can trigger slab-out-of-bounds access if CPUs have different cache hierarchies. A second problem is a mismatched shared...

kernel: cacheinfo: Fix shared_cpu_map to handle shared caches at different levels

In the Linux kernel, the following vulnerability has been resolved: cacheinfo: Fix sharedcpumap to handle shared caches at different levels The cacheinfo sets up the sharedcpumap by checking whether the caches with the same index are shared between CPUs. However, this will trigger...

CVE-2018-20168

Google gVisor before 2018-08-22 reuses a pagetable in a different level with the paging-structure cache intact, which allows attackers to cause a denial of service "physical address not valid" panic via a crafted application...