A 12-year-old security vulnerability has been disclosed in the Linux’s system utility Polkit, which grants attackers root privileges. You should obtain and apply a patch ASAP. Learn more here.
The post A Polkit Vulnerability Gives Root on All Major Lin…
An easily exploited flaw in a program, found by Qualys in every major Linux distribution, is the latest serious security issue that has arisen in the open-source space in recent weeks. Learn more here.
The post Easily Exploitable Linux Flaw Exposes All…
According to the researchers, the vulnerability (CVE-2021-4034) was discovered in PolicyKit’s pkexec tool, which incorrectly handled command-line arguments. This could lead to local privilege escalation, allowing any regular user in a GNU/Linux distribution to gain administrative privileges and run programs as an administrator (root). The good news is that most major GNU/Linux distributions already received […]
The post 12-Year-Old PolicyKit Local Privilege Escalation Flaw Now Patched in Major Linux Distros appeared first on Linux Today.
SimpleX is an open-source, decentralized client-server chat network that preserves metadata privacy. It uses disposable nodes to asynchronously pass the messages, providing receiver and sender anonymity. Learn more about SimpleX here.
The post SimpleX …
Incidents of malware targeting Linux-based Internet of Things (IoT) devices jumped by more than a third in 2021, with three malware families the primary drivers behind the increase. Learn more about how attacks are escalating against Linux-based IoT de…
VirusTotal, the popular online service for analyzing suspicious files, URLs and IP addresses, can be used to collect credentials stolen by malware, researchers at SafeBreach have found.
In fact, with a €600 VirusTotal license, they have managed to coll…
Companies and developers, open-source organizations, and government agencies gather together to lock down and secure the software supply chain.
The post Open Source Security at the White House appeared first on Linux Today.
Discovered by William Liu and Jamie Hill-Daniel, the new security flaw (CVE-2022-0185) is an integer underflow vulnerability found in Linux kernel’s file system context functionality, which could allow an attacker to crash the system or run programs as an administrator. The security vulnerability affects all supported Ubuntu releases, including Ubuntu 21.10 (Impish Indri) systems running […]
The post New Linux Kernel Vulnerability Patched in All Supported Ubuntu Systems, Update Now appeared first on Linux Today.
Canonical is currently promoting a beta Ubuntu Pro for Desktop programme through the Software & Updates app on Ubuntu LTS releases. But what is it?
This post, What is the ‘Ubuntu Pro’ Banner in Software Sources About? is from OMG! Ubun…
An attacker with physical access to the medium could use this flaw to force a user into permanently disabling the encryption layer of that medium.
The post Vulnerability in cryptsetup Allows Decrypting Part of LUKS2-Encrypted Device appeared first on L…
A step-by-step guide on how to use Thunderbolt 3/4 on CentOS 8 and the different solutions you can apply in case you encounter any connection issues.
The post How to Use Thunderbolt 3 and 4 on CentOS appeared first on Linux Today.
Security is a process, not a product.
The post Open Source Isn’t the Security Problem – Misusing It Is appeared first on Linux Today.
JavaScript developer Marak Squires wasn’t happy about not making money from his open-source libraries, so he deliberately corrupted them, leaving programmers and end-users with dead-in-the-water programs.
The post When Open-Source Developers Go B…
These new Linux kernel security updates are here a little over a month after the previous ones, which addressed six vulnerabilities, and they’re available for Ubuntu 21.10 (Impish Indri), Ubuntu 21.04 (Hisute Hippo), Ubuntu 20.04 LTS (Focal Fossa), Ubuntu 18.04 LTS (Bionic Beaver), as well as the Ubuntu 16.04 and 14.04 ESM releases. Patched in […]
The post PATCH NOW: New Ubuntu Linux Kernel Security Updates Fix 9 Vulnerabilities appeared first on Linux Today.
Using SSH profiles can help you in cases where you regularly connect to various servers without needing to remember the IP address and other such details.
The post Use SSH Config File to Manage SSH Connections to Various Remote Servers appeared fir…
SSHGuard is an open-source daemon that shields hosts from brute-force attacks. It accomplishes this through monitoring and aggregation of system logs, detecting attacks, and blocking attackers using Linux firewall backends. Learn more here.
The post Ho…
The post How to Block SSH Brute Force Attacks Using SSHGUARD first appeared on Tecmint: Linux Howtos, Tutorials & Guides .SSHGuard is an open-source daemon that shields hosts from brute-force attacks. It accomplishes this through monitoring and aggrega…
Everyone knows that Linux systems come with root user access and by default, root access is enabled for the outside world. For security reasons, it’s not a good idea to have ssh root access enabled for unauthorized users. Because any hacker can try to brute force your password and gain access to your system. Here, […]
The post Disable or Enable SSH Root Login and Limit SSH Access in Linux appeared first on Linux Today.
One of the easiest ways to protect and secure SSH logins is by displaying warning messages to unauthorized users or welcome/informational messages to authorized users. Learn more about protecting SSH logins with banner messages here.
The post Protect S…
Linux and open-source software will be hotter than ever, but the real changes will be in how they’re secured.
The post In 2022, Security Will Be Linux and Open-Source Developers’ Job Number One appeared first on Linux Today.