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CERTFR-2022-AVI-231
Vulnerability from certfr_avis - Published: 2022-03-10 - Updated: 2022-03-10
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service, un contournement de la politique de sécurité 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 stable (bullseye) versions ant\u00e9rieures \u00e0 5.10.103-1",
"product": {
"name": "N/A",
"vendor": {
"name": "Debian",
"scada": false
}
}
},
{
"description": "Debian oldstable (buster) versions ant\u00e9rieures \u00e0 4.19.232-1",
"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-2021-20322",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-20322"
},
{
"name": "CVE-2021-20317",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-20317"
},
{
"name": "CVE-2021-4203",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4203"
},
{
"name": "CVE-2021-4202",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4202"
},
{
"name": "CVE-2021-41864",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-41864"
},
{
"name": "CVE-2021-38300",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38300"
},
{
"name": "CVE-2022-0644",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0644"
},
{
"name": "CVE-2021-45095",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45095"
},
{
"name": "CVE-2022-0002",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0002"
},
{
"name": "CVE-2022-0487",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0487"
},
{
"name": "CVE-2021-3760",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3760"
},
{
"name": "CVE-2021-28711",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28711"
},
{
"name": "CVE-2021-43975",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43975"
},
{
"name": "CVE-2021-4135",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4135"
},
{
"name": "CVE-2021-28713",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28713"
},
{
"name": "CVE-2021-4002",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4002"
},
{
"name": "CVE-2021-4083",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4083"
},
{
"name": "CVE-2021-3772",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3772"
},
{
"name": "CVE-2022-0330",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0330"
},
{
"name": "CVE-2020-36310",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-36310"
},
{
"name": "CVE-2021-20321",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-20321"
},
{
"name": "CVE-2021-44733",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-44733"
},
{
"name": "CVE-2021-28712",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28712"
},
{
"name": "CVE-2021-45480",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45480"
},
{
"name": "CVE-2022-22942",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-22942"
},
{
"name": "CVE-2021-39713",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39713"
},
{
"name": "CVE-2022-0322",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0322"
},
{
"name": "CVE-2021-3640",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3640"
},
{
"name": "CVE-2022-25258",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-25258"
},
{
"name": "CVE-2021-28950",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28950"
},
{
"name": "CVE-2020-36322",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-36322"
},
{
"name": "CVE-2022-25636",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-25636"
},
{
"name": "CVE-2020-29374",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-29374"
},
{
"name": "CVE-2021-4155",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4155"
},
{
"name": "CVE-2021-43976",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43976"
},
{
"name": "CVE-2021-42739",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-42739"
},
{
"name": "CVE-2021-3752",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3752"
},
{
"name": "CVE-2021-22600",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-22600"
},
{
"name": "CVE-2021-45469",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45469"
},
{
"name": "CVE-2022-24448",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-24448"
},
{
"name": "CVE-2022-0001",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0001"
},
{
"name": "CVE-2022-0492",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0492"
},
{
"name": "CVE-2021-39685",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39685"
},
{
"name": "CVE-2022-0435",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0435"
},
{
"name": "CVE-2021-39698",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39698"
},
{
"name": "CVE-2021-3764",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3764"
},
{
"name": "CVE-2021-28714",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28714"
},
{
"name": "CVE-2022-0617",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0617"
},
{
"name": "CVE-2022-25375",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-25375"
},
{
"name": "CVE-2021-39686",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39686"
},
{
"name": "CVE-2021-3744",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3744"
},
{
"name": "CVE-2021-28715",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28715"
},
{
"name": "CVE-2022-24959",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-24959"
},
{
"name": "CVE-2021-43389",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43389"
}
],
"initial_release_date": "2022-03-10T00:00:00",
"last_revision_date": "2022-03-10T00:00:00",
"links": [],
"reference": "CERTFR-2022-AVI-231",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-03-10T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"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\nDebian. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nun d\u00e9ni de service, un contournement de la politique de s\u00e9curit\u00e9 et une\natteinte \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 Debian dsa-5095 du 09 mars 2022",
"url": "https://www.debian.org/security/2022/dsa-5095"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Debian dsa-5096 du 09 mars 2022",
"url": "https://www.debian.org/security/2022/dsa-5096"
}
]
}
CVE-2021-28714 (GCVE-0-2021-28714)
Vulnerability from cvelistv5 – Published: 2022-01-06 17:06 – Updated: 2024-08-03 21:55
VLAI
EPSS
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
Severity
No CVSS data available.
CWE
- unknown
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-392.txt | x_refsource_MISC |
| https://www.debian.org/security/2022/dsa-5050 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
Impacted products
Credits
{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Jürgen Groß of SUSE.'}]}}}
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T21:55:11.570Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://xenbits.xenproject.org/xsa/advisory-392.txt"
},
{
"name": "DSA-5050",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2022/dsa-5050"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
},
{
"name": "DSA-5096",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2022/dsa-5096"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"versions": [
{
"status": "unknown",
"version": "consult Xen advisory XSA-392"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "{\u0027credit_data\u0027: {\u0027description\u0027: {\u0027description_data\u0027: [{\u0027lang\u0027: \u0027eng\u0027, \u0027value\u0027: \u0027This issue was discovered by J\u00fcrgen Gro\u00df of SUSE.\u0027}]}}}"
}
],
"descriptions": [
{
"lang": "en",
"value": "Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel\u0027s netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)"
}
],
"metrics": [
{
"other": {
"content": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "The Linux kernel\u0027s xen-netback backend driver can be forced by guests\nto queue arbitrary amounts of network data, finally causing an out of\nmemory situation in the domain the backend is running in (usually dom0)."
}
]
}
},
"type": "unknown"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "unknown",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-03-10T02:07:11.000Z",
"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"shortName": "XEN"
},
"references": [
{
"tags": [
"x_refsource_MISC"
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"url": "https://xenbits.xenproject.org/xsa/advisory-392.txt"
},
{
"name": "DSA-5050",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2022/dsa-5050"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
},
{
"name": "DSA-5096",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2022/dsa-5096"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@xen.org",
"ID": "CVE-2021-28714",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "?",
"version_value": "consult Xen advisory XSA-392"
}
]
}
}
]
},
"vendor_name": "Linux"
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]
}
},
"configuration": {
"configuration_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "All systems using the Linux kernel based network backend xen-netback\nare vulnerable."
}
]
}
}
},
"credit": {
"credit_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "This issue was discovered by J\u00fcrgen Gro\u00df of SUSE."
}
]
}
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"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel\u0027s netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)"
}
]
},
"impact": {
"impact_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "The Linux kernel\u0027s xen-netback backend driver can be forced by guests\nto queue arbitrary amounts of network data, finally causing an out of\nmemory situation in the domain the backend is running in (usually dom0)."
}
]
}
}
},
"problemtype": {
"problemtype_data": [
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"lang": "eng",
"value": "unknown"
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},
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"name": "https://xenbits.xenproject.org/xsa/advisory-392.txt",
"refsource": "MISC",
"url": "https://xenbits.xenproject.org/xsa/advisory-392.txt"
},
{
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"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2022/dsa-5050"
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{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
},
{
"name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
},
{
"name": "DSA-5096",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2022/dsa-5096"
}
]
},
"workaround": {
"workaround_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "Using another PV network backend (e.g. the qemu based \"qnic\" backend)\nwill mitigate the problem.\n\nUsing a dedicated network driver domain per guest will mitigate the\nproblem."
}
]
}
}
}
}
}
},
"cveMetadata": {
"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"assignerShortName": "XEN",
"cveId": "CVE-2021-28714",
"datePublished": "2022-01-06T17:06:04.000Z",
"dateReserved": "2021-03-18T00:00:00.000Z",
"dateUpdated": "2024-08-03T21:55:11.570Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-28715 (GCVE-0-2021-28715)
Vulnerability from cvelistv5 – Published: 2022-01-06 17:06 – Updated: 2025-05-22 18:34
VLAI
EPSS
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- unknown
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-392.txt | x_refsource_MISC |
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CVE-2021-28950 (GCVE-0-2021-28950)
Vulnerability from cvelistv5 – Published: 2021-03-20 19:55 – Updated: 2024-08-03 21:55
VLAI
EPSS
Summary
An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A "stall on CPU" can occur because a retry loop continually finds the same bad inode, aka CID-775c5033a0d1.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2021-3640 (GCVE-0-2021-3640)
Vulnerability from cvelistv5 – Published: 2022-03-03 22:04 – Updated: 2024-08-03 17:01
VLAI
EPSS
Summary
A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
Severity
No CVSS data available.
CWE
- CWE-362 - - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'), CWE-416 - Use After Free.
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1980646 | x_refsource_MISC |
| https://ubuntu.com/security/CVE-2021-3640 | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2021/… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://github.com/torvalds/linux/commit/99c23da0… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
| https://security.netapp.com/advisory/ntap-2022041… | x_refsource_CONFIRM |
Impacted products
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CVE-2021-3744 (GCVE-0-2021-3744)
Vulnerability from cvelistv5 – Published: 2022-03-04 15:55 – Updated: 2024-08-03 17:01
VLAI
EPSS
Summary
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.
Severity
No CVSS data available.
CWE
Assigner
References
11 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/09/14/1 | mailing-listx_refsource_MLIST |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://bugzilla.redhat.com/show_bug.cgi?id=2000627 | x_refsource_MISC |
| https://seclists.org/oss-sec/2021/q3/164 | x_refsource_MISC |
| https://kernel.googlesource.com/pub/scm/linux/ker… | x_refsource_MISC |
| https://github.com/torvalds/linux/commit/505d9dcb… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
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CVE-2021-3752 (GCVE-0-2021-3752)
Vulnerability from cvelistv5 – Published: 2022-02-16 18:35 – Updated: 2024-08-03 17:09
VLAI
EPSS
Summary
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
No CVSS data available.
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1999544 | x_refsource_MISC |
| https://lore.kernel.org/lkml/20211115165435.13324… | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2021/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022031… | x_refsource_CONFIRM |
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CVE-2021-3760 (GCVE-0-2021-3760)
Vulnerability from cvelistv5 – Published: 2022-02-16 18:35 – Updated: 2024-08-03 17:09
VLAI
EPSS
Summary
A flaw was found in the Linux kernel. A use-after-free vulnerability in the NFC stack can lead to a threat to confidentiality, integrity, and system availability.
Severity
No CVSS data available.
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2000585 | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
| https://security.netapp.com/advisory/ntap-2022031… | x_refsource_CONFIRM |
Impacted products
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CVE-2021-3764 (GCVE-0-2021-3764)
Vulnerability from cvelistv5 – Published: 2022-08-23 15:52 – Updated: 2024-08-03 17:09
VLAI
EPSS
Summary
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.
Severity
No CVSS data available.
CWE
- CWE-400 - - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/torvalds/linux/commit/505d9dcb… | x_refsource_MISC |
| https://security-tracker.debian.org/tracker/CVE-2… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1997467 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2021-3764 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux Kernel |
Affected:
Fixed in v5.15-rc4
|
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CVE-2021-3772 (GCVE-0-2021-3772)
Vulnerability from cvelistv5 – Published: 2022-03-02 00:00 – Updated: 2024-08-03 17:09
VLAI
EPSS
Summary
A flaw was found in the Linux SCTP stack. A blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses.
Severity
No CVSS data available.
CWE
- CWE-354 - - Improper Validation of Integrity Check Value
Assigner
References
8 references
Impacted products
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CVE-2021-38300 (GCVE-0-2021-38300)
Vulnerability from cvelistv5 – Published: 2021-09-20 05:25 – Updated: 2024-08-04 01:37
VLAI
EPSS
Summary
arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architecture.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/09/15/5 | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021100… | x_refsource_CONFIRM |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_CONFIRM |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5096 | vendor-advisoryx_refsource_DEBIAN |
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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