CVE-2023-4949

HIGH

GRUB < 0.97 - Memory Corruption via XFS File System Implementation

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0004
EPSS Percentile 12.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-190 CWE-787
Status published
Products (2)
gnu/grub < 0.97
xen/xen
Published Nov 10, 2023
Tracked Since Feb 18, 2026