166 lines
7.4 KiB
JSON
166 lines
7.4 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-49610",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-02-26T02:21:30.417Z",
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"datePublished": "2025-02-26T02:23:33.299Z",
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"dateUpdated": "2026-05-23T15:22:32.065Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T15:22:32.065Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: VMX: Prevent RSB underflow before vmenter\n\nOn VMX, there are some balanced returns between the time the guest's\nSPEC_CTRL value is written, and the vmenter.\n\nBalanced returns (matched by a preceding call) are usually ok, but it's\nat least theoretically possible an NMI with a deep call stack could\nempty the RSB before one of the returns.\n\nFor maximum paranoia, don't allow *any* returns (balanced or otherwise)\nbetween the SPEC_CTRL write and the vmenter.\n\n [ bp: Fix 32-bit build. ]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"arch/x86/kernel/asm-offsets.c",
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"arch/x86/kernel/cpu/bugs.c",
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"arch/x86/kvm/vmx/capabilities.h",
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"arch/x86/kvm/vmx/vmenter.S",
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"arch/x86/kvm/vmx/vmx.c",
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"arch/x86/kvm/vmx/vmx.h",
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"arch/x86/kvm/vmx/vmx_ops.h"
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],
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"versions": [
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{
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"version": "d28b387fb74da95d69d2615732f50cceb38e9a4d",
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"lessThan": "afd743f6dde87296c6f3414706964c491bb85862",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "d28b387fb74da95d69d2615732f50cceb38e9a4d",
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"lessThan": "07853adc29a058c5fd143c14e5ac528448a72ed9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "44491a23b73789c0a914af4ea55ccf8968adf90b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fc6aae9f407810cb153a9133c28735871f9f0a16",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3.16.57",
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"lessThan": "3.17",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.4.168",
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"lessThan": "4.5",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"arch/x86/kernel/asm-offsets.c",
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"arch/x86/kernel/cpu/bugs.c",
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"arch/x86/kvm/vmx/capabilities.h",
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"arch/x86/kvm/vmx/vmenter.S",
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"arch/x86/kvm/vmx/vmx.c",
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"arch/x86/kvm/vmx/vmx.h",
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"arch/x86/kvm/vmx/vmx_ops.h"
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],
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"versions": [
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{
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"version": "4.16",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.16",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18.14",
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"lessThanOrEqual": "5.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.19",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "5.18.14"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "5.19"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.16.57"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.4.168"
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/afd743f6dde87296c6f3414706964c491bb85862"
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},
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{
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"url": "https://git.kernel.org/stable/c/07853adc29a058c5fd143c14e5ac528448a72ed9"
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}
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],
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"title": "KVM: VMX: Prevent RSB underflow before vmenter",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |