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CVE-2021-47485 Detail

Description

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.


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47485
NVD Published Date:
05/22/2024
NVD Last Modified:
05/22/2024
Source:
kernel.org