CVE-2021-47485

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

7.8 (HIGH) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-4/8/2026

CWE

CWE-120

מוצרים מושפעים

linux: linux kernel

קישורים

• 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
• https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952 Patch
• https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724 Patch