CVE-2023-4949
6.7
MEDIUM
CVSS 3.1
EPSS 0.04%
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.
How to fix CVE-2023-4949
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/grub—no fix listed
Is CVE-2023-4949 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |