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Rewterz Threat Advisory – CVE-2021-34866 – Linux Kernel Vulnerability

Severity

Medium

Analysis Summary

CVE-2021-34866 

Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a type confusion flaw in the handling of eBPF programs. By executing a specially-crafted eBPF program, an authenticated attacker could exploit this vulnerability to gain elevated privileges and execute arbitrary code in the context of the kernel.

Impact

  • Privilege Escalation

Affected Vendors

  • Linux

Affected Products

  • Linux Kernel 5.13

Remediation

Upgrade to the latest version of Linux Kernel, available from the Linux Kernel Web site.

https://www.kernel.org/