FreeBSD has acknowledged a vulnerability, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to an error within the handling of general protection faults when returning from processing certain other events (e.g. interrupts, traps, or system calls). This can be exploited to execute arbitrary code with kernel privileges.
Note: This only affects 64bit systems running a FreeBSD/amd64 kernel.
The vulnerability is reported in all FreeBSD/amd64 versions.
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Subject: FreeBSD AMD64 General Protection Fault Privilege Escalation
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