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Linux Mutagen Astronomy Vulnerability

A vulnerability in the Linux operating system kernel called Mutagen Astronomy has been disclosed that could allow an attacker to obtain local escalated privileges.
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Summary

A vulnerability in the Linux operating system kernel called Mutagen Astronomy has been disclosed that could allow an attacker to obtain local escalated privileges.

Threat details

The vulnerability lies in the create_elf_tables function of the Linux kernel, where a local attacker with access to a SUID (or otherwise privileged) binary could exploit this flaw causing a buffer overflow to escalate their privileges on the system.

The researcher who discovered the vulnerability has published a proof-of-concept (PoC) which has been confirmed by Red Hat Enterprises.

For further information:


Remediation steps

Type Step

Users and administrators are encouraged to review the Red Hat Security Advisory 1624498 and the CentOS mirrors pages and apply the necessary updates and mitigation where possible.

 



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Last edited: 6 September 2021 2:44 pm