gsd-2021-47016
Vulnerability from gsd
Modified
2024-02-28 06:03
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.
Aliases
{
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-47016"
],
"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": "GSD-2021-47016",
"modified": "2024-02-28T06:03:55.890494Z",
"schema_version": "1.4.0"
}
},
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"ID": "CVE-2021-47016",
"STATE": "PUBLIC"
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"affects": {
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"product_name": "Linux",
"version": {
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"version_name": "7529b90d051e",
"version_value": "f6a90818a320"
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"version": "5.2"
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"version": "5.4.119",
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"version": "5.10.37",
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"status": "unaffected",
"version": "5.11.21",
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"version": "5.12.4",
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"value": "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."
}
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"name": "https://git.kernel.org/stable/c/f6a90818a32058fca62cda3a2027a6a2364e1878",
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"url": "https://git.kernel.org/stable/c/f6a90818a32058fca62cda3a2027a6a2364e1878"
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{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: m68k: mvme147,mvme16x: No borre los bits de configuraci\u00f3n del temporizador PCC. No borre los bits de configuraci\u00f3n del temporizador 1 al borrar el indicador de interrupci\u00f3n y el desbordamiento del contador. Como inform\u00f3 Michael, \"Esto da como resultado que no se entreguen interrupciones del temporizador despu\u00e9s de la primera. Luego, la inicializaci\u00f3n se bloquea en calibrate_delay porque el contador de santiam\u00e9n no se actualiza\". En mvme16x, habilite el temporizador despu\u00e9s de solicitar irq, de acuerdo con mvme147."
}
],
"id": "CVE-2021-47016",
"lastModified": "2024-03-01T14:04:26.010",
"metrics": {},
"published": "2024-02-29T23:15:07.307",
"references": [
{
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
}
}
}
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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