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CERTFR-2022-AVI-527
Vulnerability from certfr_avis - Published: 2022-06-08 - Updated: 2022-06-08
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et un contournement de la politique de sécurité.
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 16.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 18.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 21.10",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 20.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 14.04 ESM",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 22.04 LTS",
"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-2022-30594",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30594"
},
{
"name": "CVE-2022-1195",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1195"
},
{
"name": "CVE-2022-30787",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30787"
},
{
"name": "CVE-2022-28356",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-28356"
},
{
"name": "CVE-2022-30784",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30784"
},
{
"name": "CVE-2022-23037",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23037"
},
{
"name": "CVE-2022-23042",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23042"
},
{
"name": "CVE-2022-1651",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1651"
},
{
"name": "CVE-2022-0168",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0168"
},
{
"name": "CVE-2022-30783",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30783"
},
{
"name": "CVE-2022-30786",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30786"
},
{
"name": "CVE-2022-23036",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23036"
},
{
"name": "CVE-2022-30789",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30789"
},
{
"name": "CVE-2022-1016",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1016"
},
{
"name": "CVE-2022-23038",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23038"
},
{
"name": "CVE-2022-21499",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-21499"
},
{
"name": "CVE-2022-30788",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30788"
},
{
"name": "CVE-2022-26966",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-26966"
},
{
"name": "CVE-2021-3772",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3772"
},
{
"name": "CVE-2022-1048",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1048"
},
{
"name": "CVE-2022-1972",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1972"
},
{
"name": "CVE-2022-1966",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1966"
},
{
"name": "CVE-2022-23039",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23039"
},
{
"name": "CVE-2022-23040",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23040"
},
{
"name": "CVE-2022-1011",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1011"
},
{
"name": "CVE-2022-1012",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1012"
},
{
"name": "CVE-2022-23041",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23041"
},
{
"name": "CVE-2022-24958",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-24958"
},
{
"name": "CVE-2022-1734",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1734"
},
{
"name": "CVE-2022-1836",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1836"
},
{
"name": "CVE-2022-1419",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1419"
},
{
"name": "CVE-2022-1671",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1671"
},
{
"name": "CVE-2022-1353",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1353"
},
{
"name": "CVE-2022-28388",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-28388"
},
{
"name": "CVE-2022-28389",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-28389"
},
{
"name": "CVE-2022-1205",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1205"
},
{
"name": "CVE-2021-4149",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4149"
},
{
"name": "CVE-2022-1158",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1158"
},
{
"name": "CVE-2022-1199",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1199"
},
{
"name": "CVE-2022-1204",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1204"
},
{
"name": "CVE-2022-29968",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-29968"
},
{
"name": "CVE-2021-46790",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-46790"
},
{
"name": "CVE-2021-4197",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4197"
},
{
"name": "CVE-2022-28390",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-28390"
},
{
"name": "CVE-2022-1263",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1263"
},
{
"name": "CVE-2022-1516",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1516"
},
{
"name": "CVE-2022-1198",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-1198"
},
{
"name": "CVE-2022-30785",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-30785"
}
],
"initial_release_date": "2022-06-08T00:00:00",
"last_revision_date": "2022-06-08T00:00:00",
"links": [],
"reference": "CERTFR-2022-AVI-527",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-06-08T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"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. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nune ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0\ndistance et un contournement de la politique de s\u00e9curit\u00e9.\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-5467-1 du 08 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5467-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5471-1 du 08 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5471-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5463-1 du 07 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5463-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5470-1 du 08 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5470-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5468-1 du 08 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5468-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5469-1 du 08 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5469-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5465-1 du 08 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5465-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5466-1 du 08 juin 2022",
"url": "https://ubuntu.com/security/notices/USN-5466-1"
}
]
}
CVE-2022-23040 (GCVE-0-2022-23040)
Vulnerability from cvelistv5 – Published: 2022-03-10 19:20 – Updated: 2024-08-03 03:28
VLAI
EPSS
Summary
Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV device frontends are using the grant table interfaces for removing access rights of the backends in ways being subject to race conditions, resulting in potential data leaks, data corruption by malicious backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they assume that a following removal of the granted access will always succeed, which is not true in case the backend has mapped the granted page between those two operations. As a result the backend can keep access to the memory page of the guest no matter how the page will be used after the frontend I/O has finished. The xenbus driver has a similar problem, as it doesn't check the success of removing the granted access of a shared ring buffer. blkfront: CVE-2022-23036 netfront: CVE-2022-23037 scsifront: CVE-2022-23038 gntalloc: CVE-2022-23039 xenbus: CVE-2022-23040 blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls are using a functionality to delay freeing a grant reference until it is no longer in use, but the freeing of the related data page is not synchronized with dropping the granted access. As a result the backend can keep access to the memory page even after it has been freed and then re-used for a different purpose. CVE-2022-23041 netfront will fail a BUG_ON() assertion if it fails to revoke access in the rx path. This will result in a Denial of Service (DoS) situation of the guest which can be triggered by the backend. CVE-2022-23042
Severity
No CVSS data available.
CWE
- unknown
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-396.txt | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| unspecified | unspecified |
Unknown:
consult Xen advisory XSA-396
|
Credits
{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Demi Marie Obenour and Simon Gaiser of\nInvisible Things Lab.'}]}}}
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T03:28:42.981Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://xenbits.xenproject.org/xsa/advisory-396.txt"
},
{
"name": "[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "unspecified",
"vendor": "unspecified",
"versions": [
{
"status": "unknown",
"version": "consult Xen advisory XSA-396"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "{\u0027credit_data\u0027: {\u0027description\u0027: {\u0027description_data\u0027: [{\u0027lang\u0027: \u0027eng\u0027, \u0027value\u0027: \u0027This issue was discovered by Demi Marie Obenour and Simon Gaiser of\\nInvisible Things Lab.\u0027}]}}}"
}
],
"descriptions": [
{
"lang": "en",
"value": "Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV device frontends are using the grant table interfaces for removing access rights of the backends in ways being subject to race conditions, resulting in potential data leaks, data corruption by malicious backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they assume that a following removal of the granted access will always succeed, which is not true in case the backend has mapped the granted page between those two operations. As a result the backend can keep access to the memory page of the guest no matter how the page will be used after the frontend I/O has finished. The xenbus driver has a similar problem, as it doesn\u0027t check the success of removing the granted access of a shared ring buffer. blkfront: CVE-2022-23036 netfront: CVE-2022-23037 scsifront: CVE-2022-23038 gntalloc: CVE-2022-23039 xenbus: CVE-2022-23040 blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls are using a functionality to delay freeing a grant reference until it is no longer in use, but the freeing of the related data page is not synchronized with dropping the granted access. As a result the backend can keep access to the memory page even after it has been freed and then re-used for a different purpose. CVE-2022-23041 netfront will fail a BUG_ON() assertion if it fails to revoke access in the rx path. This will result in a Denial of Service (DoS) situation of the guest which can be triggered by the backend. CVE-2022-23042"
}
],
"metrics": [
{
"other": {
"content": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "Due to race conditions and missing tests of return codes in the Linux\nPV device frontend drivers a malicious backend could gain access (read\nand write) to memory pages it shouldn\u0027t have, or it could directly\ntrigger Denial of Service (DoS) in the guest."
}
]
}
},
"type": "unknown"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "unknown",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-07-01T13:06:37.000Z",
"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"shortName": "XEN"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://xenbits.xenproject.org/xsa/advisory-396.txt"
},
{
"name": "[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@xen.org",
"ID": "CVE-2022-23040",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "",
"version": {
"version_data": [
{
"version_affected": "?",
"version_value": "consult Xen advisory XSA-396"
}
]
}
}
]
},
"vendor_name": ""
}
]
}
},
"configuration": {
"configuration_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "All Linux guests using PV devices are vulnerable in case potentially\nmalicious PV device backends are being used."
}
]
}
}
},
"credit": {
"credit_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "This issue was discovered by Demi Marie Obenour and Simon Gaiser of\nInvisible Things Lab."
}
]
}
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV device frontends are using the grant table interfaces for removing access rights of the backends in ways being subject to race conditions, resulting in potential data leaks, data corruption by malicious backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they assume that a following removal of the granted access will always succeed, which is not true in case the backend has mapped the granted page between those two operations. As a result the backend can keep access to the memory page of the guest no matter how the page will be used after the frontend I/O has finished. The xenbus driver has a similar problem, as it doesn\u0027t check the success of removing the granted access of a shared ring buffer. blkfront: CVE-2022-23036 netfront: CVE-2022-23037 scsifront: CVE-2022-23038 gntalloc: CVE-2022-23039 xenbus: CVE-2022-23040 blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls are using a functionality to delay freeing a grant reference until it is no longer in use, but the freeing of the related data page is not synchronized with dropping the granted access. As a result the backend can keep access to the memory page even after it has been freed and then re-used for a different purpose. CVE-2022-23041 netfront will fail a BUG_ON() assertion if it fails to revoke access in the rx path. This will result in a Denial of Service (DoS) situation of the guest which can be triggered by the backend. CVE-2022-23042"
}
]
},
"impact": {
"impact_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "Due to race conditions and missing tests of return codes in the Linux\nPV device frontend drivers a malicious backend could gain access (read\nand write) to memory pages it shouldn\u0027t have, or it could directly\ntrigger Denial of Service (DoS) in the guest."
}
]
}
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "unknown"
}
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},
"references": {
"reference_data": [
{
"name": "https://xenbits.xenproject.org/xsa/advisory-396.txt",
"refsource": "MISC",
"url": "https://xenbits.xenproject.org/xsa/advisory-396.txt"
},
{
"name": "[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
}
]
},
"workaround": {
"workaround_data": {
"description": {
"description_data": [
{
"lang": "eng",
"value": "There is no mitigation available other than not using PV devices in case\na backend is suspected to be potentially malicious."
}
]
}
}
}
}
}
},
"cveMetadata": {
"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
"assignerShortName": "XEN",
"cveId": "CVE-2022-23040",
"datePublished": "2022-03-10T19:20:21.000Z",
"dateReserved": "2022-01-10T00:00:00.000Z",
"dateUpdated": "2024-08-03T03:28:42.981Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2022-23041 (GCVE-0-2022-23041)
Vulnerability from cvelistv5 – Published: 2022-03-10 19:20 – Updated: 2024-08-03 03:28
VLAI
EPSS
Summary
Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV device frontends are using the grant table interfaces for removing access rights of the backends in ways being subject to race conditions, resulting in potential data leaks, data corruption by malicious backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they assume that a following removal of the granted access will always succeed, which is not true in case the backend has mapped the granted page between those two operations. As a result the backend can keep access to the memory page of the guest no matter how the page will be used after the frontend I/O has finished. The xenbus driver has a similar problem, as it doesn't check the success of removing the granted access of a shared ring buffer. blkfront: CVE-2022-23036 netfront: CVE-2022-23037 scsifront: CVE-2022-23038 gntalloc: CVE-2022-23039 xenbus: CVE-2022-23040 blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls are using a functionality to delay freeing a grant reference until it is no longer in use, but the freeing of the related data page is not synchronized with dropping the granted access. As a result the backend can keep access to the memory page even after it has been freed and then re-used for a different purpose. CVE-2022-23041 netfront will fail a BUG_ON() assertion if it fails to revoke access in the rx path. This will result in a Denial of Service (DoS) situation of the guest which can be triggered by the backend. CVE-2022-23042
Severity
No CVSS data available.
CWE
- unknown
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-396.txt | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| unspecified | unspecified |
Unknown:
consult Xen advisory XSA-396
|
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CVE-2022-23042 (GCVE-0-2022-23042)
Vulnerability from cvelistv5 – Published: 2022-03-10 19:20 – Updated: 2024-08-03 03:28
VLAI
EPSS
Summary
Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV device frontends are using the grant table interfaces for removing access rights of the backends in ways being subject to race conditions, resulting in potential data leaks, data corruption by malicious backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they assume that a following removal of the granted access will always succeed, which is not true in case the backend has mapped the granted page between those two operations. As a result the backend can keep access to the memory page of the guest no matter how the page will be used after the frontend I/O has finished. The xenbus driver has a similar problem, as it doesn't check the success of removing the granted access of a shared ring buffer. blkfront: CVE-2022-23036 netfront: CVE-2022-23037 scsifront: CVE-2022-23038 gntalloc: CVE-2022-23039 xenbus: CVE-2022-23040 blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls are using a functionality to delay freeing a grant reference until it is no longer in use, but the freeing of the related data page is not synchronized with dropping the granted access. As a result the backend can keep access to the memory page even after it has been freed and then re-used for a different purpose. CVE-2022-23041 netfront will fail a BUG_ON() assertion if it fails to revoke access in the rx path. This will result in a Denial of Service (DoS) situation of the guest which can be triggered by the backend. CVE-2022-23042
Severity
No CVSS data available.
CWE
- unknown
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-396.txt | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| unspecified | unspecified |
Unknown:
consult Xen advisory XSA-396
|
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CVE-2022-24958 (GCVE-0-2022-24958)
Vulnerability from cvelistv5 – Published: 2022-02-11 04:21 – Updated: 2024-08-03 04:29
VLAI
EPSS
Summary
drivers/usb/gadget/legacy/inode.c in the Linux kernel through 5.16.8 mishandles dev->buf release.
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://github.com/torvalds/linux/commit/89f3594d… | x_refsource_MISC |
| https://github.com/torvalds/linux/commit/501e38a5… | 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://security.netapp.com/advisory/ntap-2022022… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
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CVE-2022-26966 (GCVE-0-2022-26966)
Vulnerability from cvelistv5 – Published: 2022-03-12 21:30 – Updated: 2024-08-03 05:18
VLAI
EPSS
Summary
An issue was discovered in the Linux kernel before 5.16.12. drivers/net/usb/sr9700.c allows attackers to obtain sensitive information from heap memory via crafted frame lengths from a device.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… | x_refsource_MISC |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022041… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
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CVE-2022-28356 (GCVE-0-2022-28356)
Vulnerability from cvelistv5 – Published: 2022-04-02 20:36 – Updated: 2025-05-05 16:22
VLAI
EPSS
Summary
In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c.
Severity
5.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- NVD-CWE-Other
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/torvalds/linux/commit/764f4eb6… | x_refsource_MISC |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2022/04/06/1 | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5127 | vendor-advisoryx_refsource_DEBIAN |
| https://security.netapp.com/advisory/ntap-2022050… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5173 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-28388 (GCVE-0-2022-28388)
Vulnerability from cvelistv5 – Published: 2022-04-03 20:07 – Updated: 2025-05-05 16:21
VLAI
EPSS
Summary
usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double free.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-415 - Double Free
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/torvalds/linux/commit/3d3925ff… | 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.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2022/dsa-5127 | vendor-advisoryx_refsource_DEBIAN |
| https://security.netapp.com/advisory/ntap-2022051… | x_refsource_CONFIRM |
| https://www.debian.org/security/2022/dsa-5173 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-28389 (GCVE-0-2022-28389)
Vulnerability from cvelistv5 – Published: 2022-04-03 20:07 – Updated: 2024-08-03 05:56
VLAI
EPSS
Summary
mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c in the Linux kernel through 5.17.1 has a double free.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/torvalds/linux/commit/04c9b00b… | 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.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2022/dsa-5127 | vendor-advisoryx_refsource_DEBIAN |
| https://security.netapp.com/advisory/ntap-2022051… | x_refsource_CONFIRM |
| https://www.debian.org/security/2022/dsa-5173 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-28390 (GCVE-0-2022-28390)
Vulnerability from cvelistv5 – Published: 2022-04-03 20:07 – Updated: 2024-08-03 05:56
VLAI
EPSS
Summary
ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c in the Linux kernel through 5.17.1 has a double free.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/torvalds/linux/commit/c7022275… | 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.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.debian.org/security/2022/dsa-5127 | vendor-advisoryx_refsource_DEBIAN |
| https://security.netapp.com/advisory/ntap-2022051… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5173 | vendor-advisoryx_refsource_DEBIAN |
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CVE-2022-29968 (GCVE-0-2022-29968)
Vulnerability from cvelistv5 – Published: 2022-05-02 04:00 – Updated: 2024-08-03 06:40
VLAI
EPSS
Summary
An issue was discovered in the Linux kernel through 5.17.5. io_rw_init_file in fs/io_uring.c lacks initialization of kiocb->private.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
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|---|---|
| https://github.com/torvalds/linux/commit/32452a3e… | 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.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.netapp.com/advisory/ntap-2022071… | x_refsource_CONFIRM |
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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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