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CERTFR-2018-AVI-017
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Elles permettent à un attaquant de provoquer une exécution de code arbitraire, 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 | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 16.04 LTS",
"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 17.10",
"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-2017-17864",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-17864"
},
{
"name": "CVE-2017-17862",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-17862"
},
{
"name": "CVE-2017-5754",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-5754"
},
{
"name": "CVE-2017-17863",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-17863"
},
{
"name": "CVE-2017-16995",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-16995"
}
],
"initial_release_date": "2018-01-10T00:00:00",
"last_revision_date": "2018-01-11T00:00:00",
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3523-2 du 9 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3523-2/"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3523-3 du 9 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3523-3/"
}
],
"reference": "CERTFR-2018-AVI-017",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2018-01-10T00:00:00.000000"
},
{
"description": "Ajout de bulletins",
"revision_date": "2018-01-11T00:00:00.000000"
},
{
"description": "Ajout de bulletins",
"revision_date": "2018-01-11T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux\nd\u0027Ubuntu. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de\ncode arbitraire, un d\u00e9ni de service et une atteinte \u00e0 la confidentialit\u00e9\ndes donn\u00e9es.\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-3522-4 du 10 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3522-4/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3523-1 du 9 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3523-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3523-3 du 10 janvier 2018",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3522-1 du 9 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3522-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3524-2 du 9 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3524-2/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3525-1 du 10 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3523-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3522-3 du 10 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3522-3/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3524-1 du 9 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3524-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3523-2 du 10 janvier 2018",
"url": null
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-3522-2 du 9 janvier 2018",
"url": "https://usn.ubuntu.com/usn/usn-3522-2/"
}
]
}
CVE-2017-16995 (GCVE-0-2017-16995)
Vulnerability from cvelistv5
Published
2017-12-22 10:00
Modified
2024-08-05 20:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- incorrect sign extension
Summary
The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.
References
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"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95a762e2c8c942780948091f8f2a4f32fce1ac6f"
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}
],
"title": "CVE Program Container"
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],
"cna": {
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},
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},
{
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},
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},
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},
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"url": "https://usn.ubuntu.com/3633-1/"
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"url": "https://www.debian.org/security/2017/dsa-4073"
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"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/usn/usn-3523-2/"
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CVE-2017-17862 (GCVE-0-2017-17862)
Vulnerability from cvelistv5
Published
2017-12-23 17:00
Modified
2024-08-05 21:06
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service.
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
{
"containers": {
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},
{
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],
"url": "http://www.securityfocus.com/bid/102325"
},
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],
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},
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"tags": [
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"x_transferred"
],
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},
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"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-fix-branch-pruning-logic.patch?h=stretch-security"
},
{
"name": "USN-3619-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "https://usn.ubuntu.com/3619-1/"
},
{
"name": "1040057",
"tags": [
"vdb-entry",
"x_refsource_SECTRACK",
"x_transferred"
],
"url": "http://www.securitytracker.com/id/1040057"
}
],
"title": "CVE Program Container"
}
],
"cna": {
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{
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"vendor": "n/a",
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"lang": "en",
"value": "kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service."
}
],
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"shortName": "mitre"
},
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],
"url": "https://github.com/torvalds/linux/commit/c131187db2d3fa2f8bf32fdf4e9a4ef805168467"
},
{
"name": "USN-3619-2",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "https://usn.ubuntu.com/3619-2/"
},
{
"tags": [
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CVE-2017-5754 (GCVE-0-2017-5754)
Vulnerability from cvelistv5
Published
2018-01-04 13:00
Modified
2024-09-16 16:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Information Disclosure
Summary
Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache.
References
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Intel Corporation | Most Modern Operating Systems |
Version: All |
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"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180104-cpusidechannel"
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"url": "https://googleprojectzero.blogspot.com/2018/01/reading-privileged-memory-with-side.html"
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CVE-2017-17863 (GCVE-0-2017-17863)
Vulnerability from cvelistv5
Published
2017-12-23 17:00
Modified
2024-08-05 21:06
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.
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CVE-2017-17864 (GCVE-0-2017-17864)
Vulnerability from cvelistv5
Published
2017-12-23 17:00
Modified
2024-08-05 21:06
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."
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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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