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CERTFR-2021-AVI-720
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux de RedHat. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service, une atteinte à l'intégrité des données 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
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server - AUS 7.7 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server (pour IBM Power LE) - Update Services for SAP Solutions 7.7 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server - TUS 7.7 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server - Update Services pour SAP Solutions 7.7 x86_64 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Red Hat Enterprise Linux Server - AUS 7.7 x86_64",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server (pour IBM Power LE) - Update Services for SAP Solutions 7.7 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - TUS 7.7 x86_64",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - Update Services pour SAP Solutions 7.7 x86_64",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"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-2020-8648",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-8648"
},
{
"name": "CVE-2021-22555",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-22555"
},
{
"name": "CVE-2021-3347",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3347"
},
{
"name": "CVE-2021-32399",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-32399"
}
],
"initial_release_date": "2021-09-21T00:00:00",
"last_revision_date": "2021-09-21T00:00:00",
"links": [],
"reference": "CERTFR-2021-AVI-720",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2021-09-21T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"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 d\u00e9couvertes dans le noyau Linux de\nRedHat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nun d\u00e9ni de service, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et une\natteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de RedHat",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2021:3522 du 14 septembre 2021",
"url": "https://access.redhat.com/errata/RHSA-2021:3522"
}
]
}
CVE-2021-32399 (GCVE-0-2021-32399)
Vulnerability from cvelistv5
Published
2021-05-10 21:19
Modified
2024-08-03 23:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2020-8648 (GCVE-0-2020-8648)
Vulnerability from cvelistv5
Published
2020-02-06 00:06
Modified
2024-08-04 10:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
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CVE-2021-22555 (GCVE-0-2021-22555)
Vulnerability from cvelistv5
Published
2021-07-07 11:20
Modified
2025-10-21 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds Write
Summary
A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux Kernel |
Version: 2.6.19-rc1 < unspecified |
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CVE-2021-3347 (GCVE-0-2021-3347)
Vulnerability from cvelistv5
Published
2021-01-29 16:56
Modified
2025-07-24 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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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