CVE-2021-47485

Katalog CVE

CVSS 7.8 · High EPSS 0,24%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.

Rincian

Terbit di NVD

22 Mei 2024

Terakhir diubah

4 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,24% peluang dieksploitasi; lebih tinggi dari 13,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952 patch
• https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724 patch
• https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad patch
• https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d patch
• https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42 patch
• https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0 patch
• https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780 patch
• https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be patch