Linux Kernel Local Privilege Escalation (CVE-2026-43284 / CVE-2026-43500 / CVE-2026-46300)
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What’s the Linux flaw affecting unprivileged users?
A Linux logic flaw lets users access root only files Qualys’s Threat Research Unit published findings about a logic flaw in the Linux kernel that can allow an unprivileged local attacker to disclose sensitive files and execute arbitrary commands as root. The key point is that the issue is…
The security researchers of the Threat Research Unit (TRU) of Qualys identified a vulnerability in the Linux kernel with CVE-2026-46333, which allows the disclosure of sensitive information of privileged processes under certain conditions. The vulnerability is located in the so-called ptrace access path of the kernel and can be exploited by locally registered users without administrative rights. According to the researchers, this is a race condi…
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