kernel security and bug fix update

2.6.32-754.35.1.OL6 - Update genkey bug 25599697 2.6.32-754.35.1 - ata libata: fix NULL sdev dereference race in atapiqccomplete Kenneth Yin 1876296 2.6.32-754.34.1 - mm mm: prevent getuserpages from overflowing page refcount Aristeu Rozanski 1705003 - mm mm/hugetlb.c: getuserpages ignores certai...

Unbreakable Enterprise kernel security update

4.14.35-1902.306.2 - rename kABI whitelists to lockedlists Dan Duval Orabug: 31783150 - sched/fair: Fix low cpu usage with high throttling by removing expiration of cpu-local slices Dave Chiluk Orabug: 31350999 CVE-2019-19922 - sched/fair: Fix throttlelist starvation with low CFS quota Phil Auld...

Linux CoW Incorrect Access Grant Exploit

A Linux copy-on-write issue can wrongly grant write access. Linux: CoW can wrongly grant write access because of pinned references or THP bug I've stumbled over two ways in which copy-on-write of anonymous memory after fork is currently broken: Page references through the page refcount and a bug ...

kernel: memory leak when merging buffers in SCSI IO vectors

It was found that in the Linux kernel through v4.14-rc5, biomapuseriov and biounmapuser in 'block/bio.c' do unbalanced pages refcounting if IO vector has small consecutive buffers belonging to the same page. bioaddpcpage merges them into one, but the page reference is never dropped, causing a...