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CVE-2021-47016 Details

Description

In the Linux kernel, the following vulnerability has been resolved: m68k: mvme147,mvme16x: Don't wipe PCC timer config bits Don't clear the timer 1 configuration bits when clearing the interrupt flag and counter overflow. As Michael reported, "This results in no timer interrupts being delivered after the first. Initialization then hangs in calibrate_delay as the jiffies counter is not updated." On mvme16x, enable the timer after requesting the irq, consistent with mvme147.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/1dfb26df15fc7036a74221d43de7427f74293dae	kernel.org	Patch
https://git.kernel.org/stable/c/43262178c043032e7c42d00de44c818ba05f9967	kernel.org	Patch
https://git.kernel.org/stable/c/5d34225169346cab5145978d153b9ce90e9ace21	kernel.org	Patch
https://git.kernel.org/stable/c/73fdeb612d25b5e105c219e05434285a45d23576	kernel.org	Patch
https://git.kernel.org/stable/c/f6a90818a32058fca62cda3a2027a6a2364e1878	kernel.org	Patch
https://git.kernel.org/stable/c/1dfb26df15fc7036a74221d43de7427f74293dae	CVE	Patch
https://git.kernel.org/stable/c/43262178c043032e7c42d00de44c818ba05f9967	CVE	Patch
https://git.kernel.org/stable/c/5d34225169346cab5145978d153b9ce90e9ace21	CVE	Patch
https://git.kernel.org/stable/c/73fdeb612d25b5e105c219e05434285a45d23576	CVE	Patch
https://git.kernel.org/stable/c/f6a90818a32058fca62cda3a2027a6a2364e1878	CVE	Patch

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 5.2, < 5.4.119 >= 5.5, < 5.10.37 >= 5.11, < 5.11.21 >= 5.12, < 5.12.4
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	kernel.org
Jan 9, 2025	Initial Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 28, 2024	CVE Modified	kernel.org
May 14, 2024	CVE Modified	kernel.org
Feb 29, 2024	New CVE Received	kernel.org