181 lines
7.7 KiB
JSON
181 lines
7.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"state": "PUBLISHED",
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"cveId": "CVE-2022-33745",
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"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"assignerShortName": "XEN",
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"dateUpdated": "2024-08-03T08:09:22.681Z",
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"dateReserved": "2022-06-15T00:00:00.000Z",
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"datePublished": "2022-07-26T00:00:00.000Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"shortName": "XEN",
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"dateUpdated": "2022-11-07T00:00:00.000Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / value between old and new code positions. The now wrong use of the variable did lead to a wrong TLB flush condition, omitting flushes where such are necessary."
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}
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],
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"affected": [
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{
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"vendor": "Xen",
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"product": "xen",
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"versions": [
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{
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"version": "consult Xen advisory XSA-408",
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"status": "unknown"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://xenbits.xenproject.org/xsa/advisory-408.txt"
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},
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{
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"url": "http://xenbits.xen.org/xsa/advisory-408.html"
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},
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{
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"name": "[oss-security] 20220726 Xen Security Advisory 408 v2 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
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"tags": [
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"mailing-list"
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],
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"url": "http://www.openwall.com/lists/oss-security/2022/07/26/2"
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},
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{
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"name": "[oss-security] 20220726 Xen Security Advisory 408 v3 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
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"tags": [
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"mailing-list"
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],
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"url": "http://www.openwall.com/lists/oss-security/2022/07/26/3"
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},
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{
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"name": "FEDORA-2022-4f7cd241e2",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HUFIMNGYP5VQAA6KE3T2I5GW6UP6F7BS/"
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},
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{
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"name": "FEDORA-2022-a0d7a5eaf2",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYI3OMJ7RIZNL3C6GUWNANNPEUUID6FM/"
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},
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{
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"name": "DSA-5272",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://www.debian.org/security/2022/dsa-5272"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Charles Arnold of SUSE.'}]}}}"
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}
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],
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"metrics": [
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{
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"other": {
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"type": "unknown",
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"content": {
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "The known (observed) impact would be a Denial of Service (DoS) affecting\nthe entire host, due to running out of memory. Privilege escalation and\ninformation leaks cannot be ruled out."
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}
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]
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}
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "text",
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"lang": "en",
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"description": "unknown"
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}
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]
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}
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]
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T08:09:22.681Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://xenbits.xenproject.org/xsa/advisory-408.txt",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "http://xenbits.xen.org/xsa/advisory-408.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"name": "[oss-security] 20220726 Xen Security Advisory 408 v2 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
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"tags": [
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"mailing-list",
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"x_transferred"
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],
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"url": "http://www.openwall.com/lists/oss-security/2022/07/26/2"
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},
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{
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"name": "[oss-security] 20220726 Xen Security Advisory 408 v3 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
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"tags": [
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"mailing-list",
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"x_transferred"
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],
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"url": "http://www.openwall.com/lists/oss-security/2022/07/26/3"
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},
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{
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"name": "FEDORA-2022-4f7cd241e2",
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"tags": [
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"vendor-advisory",
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"x_transferred"
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],
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HUFIMNGYP5VQAA6KE3T2I5GW6UP6F7BS/"
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},
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{
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"name": "FEDORA-2022-a0d7a5eaf2",
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"tags": [
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"vendor-advisory",
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"x_transferred"
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],
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYI3OMJ7RIZNL3C6GUWNANNPEUUID6FM/"
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},
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{
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"name": "DSA-5272",
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"tags": [
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"vendor-advisory",
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"x_transferred"
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],
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"url": "https://www.debian.org/security/2022/dsa-5272"
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}
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]
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}
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]
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}
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} |