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Google Boosts Bug Bounty Rewards for Linux Kernel Vulnerabilities

By Ionut Arghire on August 15, 2022

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Google is as soon as once more boosting the utmost bounty payouts for Linux vulnerabilities reported as a part of its open-source Kubernetes-based capture-the-flag (CTF) vulnerability rewards program (VRP).

Referred to as kCTF, this system was launched in 2020 to supply safety researchers with the means to report vulnerabilities within the Google Kubernetes Engine (GKE), for which they obtain a flag.

“All of GKE and its dependencies are in scope, however each flag caught to this point has been a container breakout by means of a Linux kernel vulnerability. We’ve realized that discovering and exploiting heap reminiscence corruption vulnerabilities within the Linux kernel may very well be made rather a lot tougher,” Google notes.

To that finish, the web big has launched a brand new set of mitigations anticipated to make a lot of the beforehand reported vulnerabilities and exploits harder to make use of in assaults.

Google launched these mitigations to combat in opposition to out-of-bounds writes on slab, cross-cache assaults, elastic objects, and freelist corruption.

In an effort to incentivize safety researchers to find methods to interrupt these mitigations, Google can also be asserting bonus rewards for vulnerabilities within the newest Linux kernel and for bypassing the newly launched mitigations.

Every of those two bonuses is of $21,000 and collectively they permit safety researchers to earn as a lot as $133,337 for important vulnerabilities reported as a part of kCTF.

The brand new bonus rewards come half a yr after Google virtually doubled the bottom bounty payouts in kCTF and introduced excessive bonuses for particular vulnerabilities. With three $20,000 bonus rewards on high of the $31,337 base reward, researchers might earn $91,337 for exploits assembly sure standards.

Now, the corporate says it’s indefinitely extending the elevated reward quantities that it introduced final yr, to which it additionally provides the brand new $21,000 bonuses.

“We hope it will enable us to be taught extra about how exhausting (or straightforward) it’s to bypass our experimental mitigations,” Google notes.

Associated: Google Providing $91,000 Rewards for Linux Kernel, GKE Zero-Days

Associated: Google Triples Bounty for Linux Kernel Exploitation

Associated: Google Paid Out $8.7 Million in Bug Bounty Rewards in 2021

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