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CERTFR-2015-AVI-558
Vulnerability from certfr_avis
De multiples vulnérabilités ont été corrigées dans le noyaux Linux d'Ubuntu. Elles permettent à un attaquant de provoquer une exécution de code arbitraire et un déni de service.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 15.10",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 12.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 14.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 15.04",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2015-8550",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8550"
},
{
"name": "CVE-2015-8551",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8551"
},
{
"name": "CVE-2015-8552",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8552"
}
],
"initial_release_date": "2015-12-21T00:00:00",
"last_revision_date": "2015-12-21T00:00:00",
"links": [],
"reference": "CERTFR-2015-AVI-558",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2015-12-21T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "D\u00e9ni de service"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans le noyaux Linux\nd\u0027\u003cspan class=\"textit\"\u003eUbuntu\u003c/span\u003e. Elles permettent \u00e0 un attaquant de\nprovoquer une ex\u00e9cution de code arbitraire et un d\u00e9ni de service.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-2851-1 du 19 d\u00e9cembre 2015",
"url": "http://www.ubuntu.com/usn/usn-2851-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-2846-1 du 19 d\u00e9cembre 2015",
"url": "http://www.ubuntu.com/usn/usn-2846-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-2848-1 du 19 d\u00e9cembre 2015",
"url": "http://www.ubuntu.com/usn/usn-2848-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-2850-1 du 19 d\u00e9cembre 2015",
"url": "http://www.ubuntu.com/usn/usn-2850-1/"
}
]
}
CVE-2015-8550 (GCVE-0-2015-8550)
Vulnerability from cvelistv5
Published
2016-04-14 14:00
Modified
2024-08-06 08:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
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CVE-2015-8552 (GCVE-0-2015-8552)
Vulnerability from cvelistv5
Published
2016-04-13 15:00
Modified
2024-08-06 08:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to generate a continuous stream of WARN messages and cause a denial of service (disk consumption) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and XEN_PCI_OP_enable_msi operations, aka "Linux pciback missing sanity checks."
References
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CVE-2015-8551 (GCVE-0-2015-8551)
Vulnerability from cvelistv5
Published
2016-04-13 15:00
Modified
2024-08-06 08:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to hit BUG conditions and cause a denial of service (NULL pointer dereference and host OS crash) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and a crafted sequence of XEN_PCI_OP_* operations, aka "Linux pciback missing sanity checks."
References
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|
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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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