CVE-2023-4949

Katalog CVE

CVSS 6.7 · Medium EPSS 0,24%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada gnu grub, xen. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

10 November 2023

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.7 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-190: Integer Overflow or Wraparound
CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,24% peluang dieksploitasi; lebih tinggi dari 14,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://xenbits.xenproject.org/xsa/advisory-443.html patch · advisory pihak ketiga