Linux 6.4 mbind() Use-After-Free / Race Condition

There is a race between mbind and VMA-locked page faults that leads to a use-after-free condition. tested on git master, at commit 57012c57536f Summary: There's a race between mbind and VMA-locked page faults, leading to UAF. You can quickly hit this with a straightforward reproducer that just...

Linux - Use-After-Free Reads in show_numa_stats()

/ On NUMA systems, the Linux fair scheduler tracks information related to NUMA faults in taskstruct::numafaults and taskstruct::numagroup. Both of these have broken object lifetimes. Since commit 82727018b0d3 "sched/numa: Call tasknumafree from doexecve", first in v3.13, -numafaults is freed not...

Security update for libvirt (moderate)

This update for libvirt fixes the following issues: Security issue fixed: - CVE-2018-3639: Add support for 'ssbd' and 'virt-ssbd' CPUID feature bits to address V4 Speculative Store Bypass aka "Memory Disambiguation" bsc1092885. Bug fixes: - bsc1094325: Enable virsh blockresize for XEN guests...

openSUSE Security Update : libvirt (openSUSE-2018-860) (Spectre)

This update for libvirt fixes the following issues : Security issue fixed : - CVE-2018-3639: Add support for 'ssbd' and 'virt-ssbd' CPUID feature bits to address V4 Speculative Store Bypass aka 'Memory Disambiguation' bsc1092885. Bug fixes : - bsc1094325: Enable virsh blockresize for XEN guests...

To DVRF（router flaws drone as an example the interpretation of JEB firmware flaws applications Part 1-the vulnerability warning-the black bar safety net

A, media In this series of articles, I will send everyone to the presentation if any application JEB MIPS Decompiler1to find and the application of the embedded equipment software flaws. In order to accomplish this obligation, we need to apply the Praetorian supplied to the DVRF（Damn Vulnerable...