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CERTFR-2016-AVI-004
Vulnerability from certfr_avis - Published: - Updated:
De multiples vulnérabilités ont été corrigées dans le noyau Linux de Debian. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, un déni de service et une atteinte à la confidentialité des données.
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": "Debian Sid versions ant\u00e9rieures \u00e0 4.3.3-3",
"product": {
"name": "N/A",
"vendor": {
"name": "Debian",
"scada": false
}
}
},
{
"description": "Debian Wheezy versions ant\u00e9rieures \u00e0 3.2.73-2+deb7u2",
"product": {
"name": "N/A",
"vendor": {
"name": "Debian",
"scada": false
}
}
},
{
"description": "Debian Jessie versions ant\u00e9rieures \u00e0 3.16.7-ckt20-1+deb8u2",
"product": {
"name": "N/A",
"vendor": {
"name": "Debian",
"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-2015-8569",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8569"
},
{
"name": "CVE-2015-8575",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8575"
},
{
"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-2015-7513",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-7513"
},
{
"name": "CVE-2015-7550",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-7550"
},
{
"name": "CVE-2015-8709",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8709"
},
{
"name": "CVE-2015-8543",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8543"
},
{
"name": "CVE-2015-8552",
"url": "https://www.cve.org/CVERecord?id=CVE-2015-8552"
}
],
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 le noyau Linux DSA-3434-1 de du 05 janvier 2016",
"url": "https://www.debian.org/security/2016/dsa-3434"
}
],
"reference": "CERTFR-2016-AVI-004",
"revisions": [
{
"description": "version initiale.",
"revision_date": "2016-01-06T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003ele noyau Linux de Debian\u003c/span\u003e. Certaines d\u0027entre elles\npermettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance, un\nd\u00e9ni de service et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Debian",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 le noyau Linux DSA-3434-1 de du 05 janvier 2016",
"url": null
}
]
}
CVE-2015-8550 (GCVE-0-2015-8550)
Vulnerability from cvelistv5 – Published: 2016-04-14 14:00 – Updated: 2024-08-06 08:20
VLAI?
EPSS
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
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CVE-2015-8575 (GCVE-0-2015-8575)
Vulnerability from cvelistv5 – Published: 2016-02-08 02:00 – Updated: 2024-08-06 08:20
VLAI?
EPSS
Summary
The sco_sock_bind function in net/bluetooth/sco.c in the Linux kernel before 4.3.4 does not verify an address length, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2015-8543 (GCVE-0-2015-8543)
Vulnerability from cvelistv5 – Published: 2015-12-28 11:00 – Updated: 2024-08-06 08:20
VLAI?
EPSS
Summary
The networking implementation in the Linux kernel through 4.3.3, as used in Android and other products, does not validate protocol identifiers for certain protocol families, which allows local users to cause a denial of service (NULL function pointer dereference and system crash) or possibly gain privileges by leveraging CLONE_NEWUSER support to execute a crafted SOCK_RAW application.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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CVE-2015-7513 (GCVE-0-2015-7513)
Vulnerability from cvelistv5 – Published: 2016-02-08 02:00 – Updated: 2024-08-06 07:51
VLAI?
EPSS
Summary
arch/x86/kvm/x86.c in the Linux kernel before 4.4 does not reset the PIT counter values during state restoration, which allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via a zero value, related to the kvm_vm_ioctl_set_pit and kvm_vm_ioctl_set_pit2 functions.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2015-7550 (GCVE-0-2015-7550)
Vulnerability from cvelistv5 – Published: 2016-02-08 02:00 – Updated: 2024-08-06 07:51
VLAI?
EPSS
Summary
The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2015-8552 (GCVE-0-2015-8552)
Vulnerability from cvelistv5 – Published: 2016-04-13 15:00 – Updated: 2024-08-06 08:20
VLAI?
EPSS
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."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||
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"url": "http://xenbits.xen.org/xsa/advisory-157.html"
},
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CVE-2015-8551 (GCVE-0-2015-8551)
Vulnerability from cvelistv5 – Published: 2016-04-13 15:00 – Updated: 2024-08-06 08:20
VLAI?
EPSS
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."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2015-8569 (GCVE-0-2015-8569)
Vulnerability from cvelistv5 – Published: 2015-12-28 11:00 – Updated: 2024-08-06 08:20
VLAI?
EPSS
Summary
The (1) pptp_bind and (2) pptp_connect functions in drivers/net/ppp/pptp.c in the Linux kernel through 4.3.3 do not verify an address length, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2015-8709 (GCVE-0-2015-8709)
Vulnerability from cvelistv5 – Published: 2016-02-08 02:00 – Updated: 2024-08-06 08:29
VLAI?
EPSS
Summary
kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. NOTE: the vendor states "there is no kernel bug here.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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