Posts Tagged ‘Mastering Linux Security and Hardening’

Critical “10-out-of-10” Linux kernel SMB hole – should you worry?

Just before the Christmas weekend – in fact, at about the same time that beleaguered password management service LastPass was admitting that, yes, your password vaults were stolen by criminals after all – we noticed a serious-sounding Linux kernel vulnerability that hit the news. The alerts came from Trend Micro’s Zero Day Initiative (ZDI), probably best known […]

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A New Linux Flaw Lets Attackers Gain Full Root Privilege

The Threat Research Unit at Qualys’ has revealed how a new Linux flaw tracked as (CVE-2022-3328),  may be combined with two other, seemingly insignificant flaws to gain full root rights on a compromised system. The Linux snap-confine function, a SUID-root program installed by default on Ubuntu, is where the vulnerability is located. The snap-confine program is used internally by […]

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Linux Nimbuspwn flaws could allow attackers to deploy sophisticated threats

Microsoft disclosed two Linux privilege escalation flaws, collectively named Nimbuspwn, that could allow conducting various malicious activities. The Microsoft 365 Defender Research Team has discovered two Linux privilege escalation flaws (tracked as CVE-2022-29799 and CVE-2022-29800) called “Nimbuspwn,” which can be exploited by attackers to conduct various malicious activities, including the deployment of malware. “The vulnerabilities can be chained […]

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