CVE-2021-29256

Katalog CVE

CVSS 8.8 · High KEV · sudah dieksploitasi EPSS 3,0%

Kerentanan Use After Free pada arm bifrost gpu kernel driver, arm midgard gpu kernel driver +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD. Masuk katalog KEV CISA pada 7 Juli 2023, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.

Rincian

Terbit di NVD

24 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

3,0% peluang dieksploitasi; lebih tinggi dari 86,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Arm Mali GPU Kernel Driver Use-After-Free Vulnerability

Masuk KEV

7 Juli 2023

Tenggat CISA

28 Juli 2023 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-29256 pemerintah AS