Is CVE-2023-4949 actively exploited?

CVE-2023-4949 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2023-4949?

CVE-2023-4949 has a CVSS score of 8.1 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H.

How do I patch CVE-2023-4949?

Patch guidance is available from gnu security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-4949.

Fix CVE-2023-4949 - HIGH gnu grub

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H
Attack Vector: local
Complexity: low
Privileges: high
User Action: none
Scope: changed
Confidentiality: high
Integrity: low
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors CWE-190 · Integer Overflow CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: GNU
Published: 11/10/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-4949

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary