https://seclists.org/oss-sec/2023/q4/40: CVE-2023-4692, CVE-2023-4693: grub2: OOB write, read via specially crafted NTFS filesystem

Published Oct 4, 2023
·
Updated

Affected Software

1 affected component
GNU GRUB2
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Frequently Asked Questions

1

What is the severity of CVE-2023-4692 and CVE-2023-4693?

CVE-2023-4692 and CVE-2023-4693 are considered high severity vulnerabilities affecting GNU GRUB2.

2

How do I fix CVE-2023-4692 and CVE-2023-4693?

To fix CVE-2023-4692 and CVE-2023-4693, you should upgrade to the patched version of GNU GRUB2 provided by your distribution.

3

What types of attacks are possible due to CVE-2023-4692 and CVE-2023-4693?

CVE-2023-4692 and CVE-2023-4693 can lead to out-of-bounds write and read vulnerabilities through specially crafted NTFS filesystems.

4

Which systems are affected by CVE-2023-4692 and CVE-2023-4693?

Systems running vulnerable versions of GNU GRUB2 with Secure Boot enabled are at risk from CVE-2023-4692 and CVE-2023-4693.

5

When were CVE-2023-4692 and CVE-2023-4693 published?

CVE-2023-4692 and CVE-2023-4693 were published on October 4, 2023.

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