What is the vulnerability ID?

The vulnerability ID is CVE-2023-4949.

What is the title of the vulnerability?

The title of the vulnerability is 'Memory Corruption Vulnerability in Grub-Legacy's XFS Implementation'.

What is the description of the vulnerability?

The vulnerability is a memory corruption in grub's XFS file system implementation that can be exploited by an attacker with local access to a system.

Which software is affected by this vulnerability?

The GNU GRUB and Xen Xen software versions up to and including 0.97 are affected by this vulnerability.

What is the severity of the vulnerability?

The severity of the vulnerability is high, with a CVSS score of 8.1.

Is there any reference to this vulnerability?

Yes, there is a reference to this vulnerability. You can find more information at https://xenbits.xenproject.org/xsa/advisory-443.html.

What are the Common Weakness Enumeration (CWE) identifiers associated with this vulnerability?

The Common Weakness Enumeration (CWE) identifiers associated with this vulnerability are CWE-119, CWE-190, and CWE-787.

Vulnerability/
CVE-2023-4949

high

8.1

CWE

787 119 190

10/11/2023

21/11/2024

CVE-2023-4949: Memory Corruption Vulnerability in Grub-Legacy's XFS Implementation

First published: Fri Nov 10 2023(Updated: )

An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub’s XFS file system implementation.

Credit: cve-coordination@google.com

Affected Software	Affected Version	How to fix
	<=0.97

Remedy

https://xenbits.xenproject.org/xsa/advisory-443.html

Never miss a vulnerability like this again

Reference Links

https://xenbits.xenproject.org/xsa/advisory-443.html

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2023-4949.
What is the title of the vulnerability?
The title of the vulnerability is 'Memory Corruption Vulnerability in Grub-Legacy's XFS Implementation'.
What is the description of the vulnerability?
The vulnerability is a memory corruption in grub's XFS file system implementation that can be exploited by an attacker with local access to a system.
Which software is affected by this vulnerability?
The GNU GRUB and Xen Xen software versions up to and including 0.97 are affected by this vulnerability.
What is the severity of the vulnerability?
The severity of the vulnerability is high, with a CVSS score of 8.1.
Is there any reference to this vulnerability?
Yes, there is a reference to this vulnerability. You can find more information at https://xenbits.xenproject.org/xsa/advisory-443.html.
What are the Common Weakness Enumeration (CWE) identifiers associated with this vulnerability?
The Common Weakness Enumeration (CWE) identifiers associated with this vulnerability are CWE-119, CWE-190, and CWE-787.

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vendor/gnu
canonical/gnu grub
version/gnu grub/0.97
vendor/xen
canonical/xen xen

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