CVE-2021-4154

CVE-2021-4154 This bug was fix in https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b This exploit works on most pre-patch kernels for: CentOS 8 kernels higher than linux-4.18.0-305.el8 Debian 11 kernels higher than 5.10.0-8 Fedor...

Linux pciback DoS via not rate limited log messages.

ISSUE DESCRIPTION Xen's PCI backend drivers in Linux allow a guest with assigned PCI devices to cause a DoS through a flood of kernel messages, potentially affecting other domains in the system. IMPACT A malicious guest can mount a DoS affecting the entire system. VULNERABLE SYSTEMS All systems...