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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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210

Effective Techniques to Reduce Kernel Bugs in Linux Operating Systems

Linux admins and security practitioners face significant challenges in keeping their Linux systems secure amidst the constant threat of kernel bugs. Understanding and mitigating the vulnerabilities in the Linux kernel is essential in safeguarding your systems against exploits leading to compromise. Let's examine why kernel vulnerabilities are such a severe threat and mitigation strategies for protecting against them. . Why Are Linux Kernel Bugs Such A Severe Threat? How Can I Secure My System Against Them? The kernel is in a unique spot in the system, where even ordinary bugs can be transformed into vulnerabilities if exploited cleverly. Linux kernel developer Jonathan Corbet states, "In the kernel, just about any bug, if you're clever enough, can be exploitable to compromise the system." This statement raises important questions about the level of security that can be achieved in Linux systems and the measures required to protect them effectively. To address these concerns, Corbet suggests using long-term stable (LTS) kernel releases, which receive regular patches and fixes for identified vulnerabilities. He advises Linux admins and infosec professionals to ensure that their distributions run LTS kernel releases, as they provide a certain level of assurance against known threats. However, this approach has a caveat, as Corbet warns that LTS releases will no longer be supported for as long as they used to be. This change has long-term consequences, as it accelerates the phasing out of older kernel versions and emphasizes the need for regular updates to current versions. It is critical to highlight the Linux kernel developer community's immense efforts to maintain the kernel's security and stability . Corbet mentions the increase in first-time contributors, which indicates a vibrant and forward-moving community. However, he points out the critical issue of burnout among maintainers and long-time developers. Without adequate support, the risk of frustrated developers, deteriorating codequality, and increased security problems becomes a looming concern. Given these implications, companies must treat Linux work as a top priority and provide the necessary resources to support the community. Nearly all businesses depend on Linux. Ignoring this fact would be detrimental, as it could lead to compromised systems, data breaches , and financial losses. Regularly updating to the latest LTS kernel release and actively supporting the Linux developer community can go a long way toward maintaining system security. Our Final Thoughts on Protecting Against Linux Kernel Bugs This article aims to provide valuable insights into the challenges of keeping Linux systems safe from kernel bugs. The importance of proactive measures such as using LTS releases, supporting the developer community, and staying updated with the latest security patches must be emphasized. By critically analyzing the implications presented in this article, security practitioners can better understand the impact on their practices and make informed decisions to safeguard their Linux environments. . Protect your Linux system from kernel vulnerabilities with regular updates, minimal installations, security modules, and active monitoring for potential threats. Kernel Bug Management, System Protection Strategies, Linux Kernel Security. . Dave Wreski

Calendar 2 May 18, 2024 User Avatar Dave Wreski Security Vulnerabilities
79

Linux Kernel 4.9 End Of Life: Urgent Upgrade Needed For Security

After being supported for a little more than six years, the Linux 4.9 kernel series has finally reached end of life with the 4.9.337 update released earlier this morning. The kernel is now marked appropriately as EOL on the kernel.org website, which means that it will no longer receive maintenance and security updates. . Linux kernel 4.9 was released on December 11th, 2016, and it brought support for shared extents and copy-on-write support on the XFS file system, a hardware latency tracer to detect firmware-induced latencies, support for the Greybus bus from Project Ara, a more efficient BPF profiler, a new optional BBR TCP congestion control algorithm, virtually mapped kernel stacks, and more. Due to its long-term support (LTS) status, Linux kernel 4.9 was most probably used on mass-production devices by big companies that produce hardware powered by a Linux-based operating system. But, the time has come to move on to newer kernels that include all the features of Linux kernel 4.9 and more. Renowned kernel developer Greg Kroah-Hartman announced earlier today that Linux kernel 4.9 will no longer be supported from here on, urging users to upgrade to a newer LTS (Long Term Support) series, such as Linux kernel 4.14, which will be supported for another year until January 2024, or the latest and greatest Linux kernel 6.1 , which should receive support for at least a couple of years. The link for this article located at 9 to 5 Linux is no longer available. . Following more than six years in service, Linux kernel 4.9 has officially reached its end of life, encouraging users to transition to more recent long-term support releases.. Linux Kernel, Long Term Support, System Upgrade, Security Updates, End of Life. . LinuxSecurity.com Team

Calendar 2 Jan 09, 2023 User Avatar LinuxSecurity.com Team Security Projects
78

Linux Mint 20.1 Ulyssa Beta Release Overview and New Features

The beta version of Linux Mint 20.1 “Ulyssa” has finally been released with a selection of valuable new features including the Linux kernel 5.4, Cinnamon 4.8, MATE 1.24 and the Xfce 4.14 desktop. Learn the details. . After six months of development, Linux Mint founder Clem Lefebvre has officially announced a beta version of the new and upcoming Linux Mint 20.1 “Ulyssa.” As you know, Linux Mint 20.1 is a long term support (LTS) version, which will receive security updates until 2025. The beta release comes with updated software, new features and available in Cinnamon , Xfce , and MATE editions. . Ubuntu 21.04 "Hirsute Hippo" Alpha introduces enhanced applications and innovative capabilities with improved user interfaces.. Linux Mint 20.1, IPTV Integration, WebApp Management, Cinnamon Desktop, MATE Edition. . LinuxSecurity.com Team

Calendar 2 Dec 17, 2020 User Avatar LinuxSecurity.com Team Vendors/Products
78

Ubuntu 20.04 Release: Major Security Updates and Improved Performance

With the release of Ubuntu 20.04, ZFS gets more accessible, security becomes a bigger priority, and Ubuntu speeds up overall. . This is most definitely the strangest spring in a very long time, with all sorts of event and hardware delays or outright cancellations . But one thing that has arrived right on schedule? The latest version of Ubuntu Linux. Ubuntu 20.04 (Focal Fossa, as this release is known) is a Long Term Support (LTS) release, which means Ubuntu's parent company, Canonical, will provide support through 2025. The LTS releases are what Canonical calls "enterprise grade," and these tend to be conservative when it comes to adopting new technologies. The interim releases, like last year's Ubuntu 19.10 , are instead where the company tends to experiment. Perhaps not surprisingly, Canonical estimates that 95 percent of all Ubuntu installations are LTS releases. Which is to say, this is a big update that the bulk of Ubuntu's user base will be upgrading to eventually. . Delve into the significant advancements in Ubuntu 20.04 regarding ZFS, fortified security measures, and improved performance that contribute to a more resilient operating environment.. Ubuntu, Long Term Support, ZFS, Security Enhancement, Performance Improvements. . LinuxSecurity.com Team

Calendar 2 May 04, 2020 User Avatar LinuxSecurity.com Team Vendors/Products
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150
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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