Configure Kernel Parameter kptr_restrict Properly

kptrrestrict is used to protect kernel symbol addresses. When the protection level is low, common users can obtain kernel symbol addresses, which are easy to be exploited by attackers. This increases the attack surface and reduces system security. Currently, kptrrestrict can be set to any of the...

systemd security and bug fix update

219-78.0.1 - Backport upstream patches related to private-tmp Sushmita Bhattacharya Orabug: 31561883 - backport upstream pstore tmpfiles patch Eric DeVolder Orabug: 31414539 - udev rules: fix memory hot add and remove Orabug: 31309730 - enable and start the pstore service Orabug: 30950903 - fix t...

How to effectively bypass the Android kptr_restrict-vulnerability warning-the black bar safety net

In this article, I will introduce some of the you can bypass the Android kptrrestrict method, bypassing the Android kptrrestrict after that, we can more easily take advantage of Android's vulnerability. First, let's start with a quick look at how kptrrestrict of this stuff. kptrrestrict is what?...