The quantum state of Linux kernel garbage collection CVE-2021-0920 (Part I)

A deep dive into an in-the-wild Android exploit Guest Post by Xingyu Jin, Android Security Research This is part one of a two-part guest blog post, where first we'll look at the root cause of the CVE-2021-0920 vulnerability. In the second post, we'll dive into the in-the-wild 0-day exploitation o...

USN-679-1: Linux kernel vulnerabilities

It was discovered that the Xen hypervisor block driver did not correctly validate requests. A user with root privileges in a guest OS could make a malicious IO request with a large number of blocks that would crash the host OS, leading to a denial of service. This only affected Ubuntu 7.10...

CVE-2008-5029

CVE-2008-5029 affects the Linux kernel 2.6.27.4, 2.6.26 and earlier via the __scm_destroy function in net/core/scm.c, which can cause indirect recursive calls when closing sockets after an SCM_RIGHTS message. This local DoS (panic) condition results from the kernel’s handling of UNIX domain socke...