UnratedFix available
kernel: Fix of 25 CVEs
Type: advisorySources: OSV
- KVM: do not allow mapping valid but non-reference-counted pages {CVE-2021-22543}
- Products
- kernel, kernel-debug, kernel-debug-devel, kernel-devel, kernel-headers, perf, python-perf
- Affected versions
- Not specified
- Fixed versions
- 2.6.32-754.35.8.el6.tuxcare.els11
- CVEs
- CVE-2021-22543
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:23 UTC · Revision 1
Source evidence
- KVM: do not allow mapping valid but non-reference-counted pages {CVE-2021-22543}
osv:CLSA-2022-1669850228
kernel
Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els11
kernel-debug
Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els11
kernel-debug-devel
Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els11
kernel-devel
Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els11
kernel-headers
Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els11
perf
Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els11
python-perf
Fixed versions: 2.6.32-754.35.8.el6.tuxcare.els11
Complete source record
{
"id": "7d4b59618d42d59294890c7d6ec742307eaeaa4400bac89f9ef9304b90776314",
"url": "https://osv.dev/vulnerability/CLSA-2022-1669850228",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "kernel: Fix of 25 CVEs",
"summary": "- KVM: do not allow mapping valid but non-reference-counted pages {CVE-2021-22543}",
"evidence": "osv:CLSA-2022-1669850228",
"products": [
{
"name": {
"value": "kernel",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.32-754.35.8.el6.tuxcare.els11",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "kernel-debug",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.32-754.35.8.el6.tuxcare.els11",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "kernel-debug-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.32-754.35.8.el6.tuxcare.els11",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "kernel-devel",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.32-754.35.8.el6.tuxcare.els11",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "kernel-headers",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.32-754.35.8.el6.tuxcare.els11",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perf",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.32-754.35.8.el6.tuxcare.els11",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python-perf",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.32-754.35.8.el6.tuxcare.els11",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2022-1669850228",
"aliases": [
"CLSA-2022-1669850228"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.32-754.35.8.el6.tuxcare.els11"
}
]
}
],
"package": {
"name": "kernel",
"purl": "pkg:rpm/tuxcare/kernel?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2022-1669850228.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.32-754.35.8.el6.tuxcare.els11"
}
]
}
],
"package": {
"name": "kernel-debug",
"purl": "pkg:rpm/tuxcare/kernel-debug?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2022-1669850228.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.32-754.35.8.el6.tuxcare.els11"
}
]
}
],
"package": {
"name": "kernel-debug-devel",
"purl": "pkg:rpm/tuxcare/kernel-debug-devel?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2022-1669850228.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.32-754.35.8.el6.tuxcare.els11"
}
]
}
],
"package": {
"name": "kernel-devel",
"purl": "pkg:rpm/tuxcare/kernel-devel?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2022-1669850228.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.32-754.35.8.el6.tuxcare.els11"
}
]
}
],
"package": {
"name": "kernel-headers",
"purl": "pkg:rpm/tuxcare/kernel-headers?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2022-1669850228.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.32-754.35.8.el6.tuxcare.els11"
}
]
}
],
"package": {
"name": "perf",
"purl": "pkg:rpm/tuxcare/perf?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2022-1669850228.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.32-754.35.8.el6.tuxcare.els11"
}
]
}
],
"package": {
"name": "python-perf",
"purl": "pkg:rpm/tuxcare/python-perf?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2022-1669850228.json"
}
}
],
"modified": "2026-10-26T09:31:53.250430113Z",
"provider": "osv",
"upstream": [
"CVE-2021-22543"
],
"references": [
"https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2022-1669850228.html",
"https://nvd.nist.gov/vuln/detail/CVE-2014-4508",
"https://nvd.nist.gov/vuln/detail/CVE-2020-0466",
"https://nvd.nist.gov/vuln/detail/CVE-2020-36385",
"https://nvd.nist.gov/vuln/detail/CVE-2021-0920",
"https://nvd.nist.gov/vuln/detail/CVE-2021-1048",
"https://nvd.nist.gov/vuln/detail/CVE-2021-20265",
"https://nvd.nist.gov/vuln/detail/CVE-2021-20292",
"https://nvd.nist.gov/vuln/detail/CVE-2021-22543",
"https://nvd.nist.gov/vuln/detail/CVE-2021-28972",
"https://nvd.nist.gov/vuln/detail/CVE-2021-3178",
"https://nvd.nist.gov/vuln/detail/CVE-2021-31916",
"https://nvd.nist.gov/vuln/detail/CVE-2021-32399",
"https://nvd.nist.gov/vuln/detail/CVE-2021-33033",
"https://nvd.nist.gov/vuln/detail/CVE-2021-34693",
"https://nvd.nist.gov/vuln/detail/CVE-2021-3573",
"https://nvd.nist.gov/vuln/detail/CVE-2021-3609",
"https://nvd.nist.gov/vuln/detail/CVE-2021-3612",
"https://nvd.nist.gov/vuln/detail/CVE-2021-3655",
"https://nvd.nist.gov/vuln/detail/CVE-2021-37159",
"https://nvd.nist.gov/vuln/detail/CVE-2021-38160",
"https://nvd.nist.gov/vuln/detail/CVE-2021-38205",
"https://nvd.nist.gov/vuln/detail/CVE-2021-4083",
"https://nvd.nist.gov/vuln/detail/CVE-2021-4155",
"https://nvd.nist.gov/vuln/detail/CVE-2022-0492",
"https://nvd.nist.gov/vuln/detail/CVE-2022-28390"
]
},
"related_cves": [
{
"value": "CVE-2021-22543",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448841,
"published_at": "2026-10-21T14:56:41+00:00"
}