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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952 cve-icon cve-icon
https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724 cve-icon cve-icon
https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad cve-icon cve-icon
https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d cve-icon cve-icon
https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42 cve-icon cve-icon
https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0 cve-icon cve-icon
https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780 cve-icon cve-icon
https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024052239-CVE-2021-47485-4584@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47485 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47485 cve-icon
History

Mon, 06 Jan 2025 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc7:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Metrics cvssV3_1

{'score': 5.2, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H'}

 cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Mon, 04 Nov 2024 12:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-05-22T08:19:36.158Z

Updated: 2024-12-19T07:43:24.510Z

Reserved: 2024-05-22T06:20:56.201Z

Link: CVE-2021-47485

cve-icon Vulnrichment

Updated: 2024-08-04T05:39:59.745Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-22T09:15:10.503

Modified: 2025-01-06T19:53:06.807

Link: CVE-2021-47485

cve-icon Redhat

Severity : Low

Publid Date: 2024-05-22T00:00:00Z

Links: CVE-2021-47485 - Bugzilla