CVE-2025-27021: Operating System Misconfiguration in Infinera G42
The misconfiguration in the sudoers configuration of the operating system in Infinera G42 version R6.1.3 allows low privileged OS users to read/write physical memory via devmem command line tool. This could allow sensitive information disclosure, denial of service, and privilege escalation by tampering with kernel memory.
Details: The output of "sudo -l" reports the presence of "devmem" command executable as super user without using a password. This command allows to read and write an arbitrary memory area of the target device, specifying an absolute address.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-27021?
CVE-2025-27021 has a high severity level due to its potential for sensitive information disclosure and privilege escalation.
How do I fix CVE-2025-27021?
To fix CVE-2025-27021, review and correct the sudoers configuration to restrict access to the devmem command for low privileged users.
Who is affected by CVE-2025-27021?
CVE-2025-27021 affects Infinera G42 users running version R6.1.3.
What consequences can arise from CVE-2025-27021?
CVE-2025-27021 can lead to sensitive information disclosure, potential denial of service, and unauthorized privilege escalation.
Is CVE-2025-27021 a zero-day vulnerability?
CVE-2025-27021 is not classified as a zero-day vulnerability since it has been reported and documented, but it should be addressed immediately.