github - ghsa-8gv8-jqm3-r824

ghsa-8gv8-jqm3-r824

Vulnerability from github

Published

2024-03-01 00:30

Modified

2024-03-01 00:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47016"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-29T23:15:07Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nm68k: mvme147,mvme16x: Don\u0027t wipe PCC timer config bits\n\nDon\u0027t clear the timer 1 configuration bits when clearing the interrupt flag\nand counter overflow. As Michael reported, \"This results in no timer\ninterrupts being delivered after the first. Initialization then hangs\nin calibrate_delay as the jiffies counter is not updated.\"\n\nOn mvme16x, enable the timer after requesting the irq, consistent with\nmvme147.",
  "id": "GHSA-8gv8-jqm3-r824",
  "modified": "2024-03-01T00:30:27Z",
  "published": "2024-03-01T00:30:27Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47016"
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      "url": "https://git.kernel.org/stable/c/1dfb26df15fc7036a74221d43de7427f74293dae"
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cve-2021-47016

Vulnerability from cvelistv5

Published

2024-02-29 22:31

Modified

2024-12-19 07:33

Severity ?

Summary

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.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/f6a90818a32058fca62cda3a2027a6a2364e1878
	https://git.kernel.org/stable/c/1dfb26df15fc7036a74221d43de7427f74293dae
	https://git.kernel.org/stable/c/73fdeb612d25b5e105c219e05434285a45d23576
	https://git.kernel.org/stable/c/5d34225169346cab5145978d153b9ce90e9ace21
	https://git.kernel.org/stable/c/43262178c043032e7c42d00de44c818ba05f9967

Impacted products

Vendor

Product

Version

▼

Linux

Version: 7529b90d051e4629884771ba2b1d3a87d2c6a9d7
Version: 7529b90d051e4629884771ba2b1d3a87d2c6a9d7
Version: 7529b90d051e4629884771ba2b1d3a87d2c6a9d7
Version: 7529b90d051e4629884771ba2b1d3a87d2c6a9d7
Version: 7529b90d051e4629884771ba2b1d3a87d2c6a9d7

Linux

Version: 5.2

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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