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vuln-cve/data/2022/49xxx/CVE-2022-49611.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2022-49611",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-02-26T02:21:30.418Z",
"datePublished": "2025-02-26T02:23:33.779Z",
"dateUpdated": "2026-11-05T19:49:40.677Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-23T15:22:33.348Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/speculation: Fill RSB on vmexit for IBRS\n\nPrevent RSB underflow/poisoning attacks with RSB. While at it, add a\nbunch of comments to attempt to document the current state of tribal\nknowledge about RSB attacks and what exactly is being mitigated."
}
],
"affected": [
{
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"arch/x86/include/asm/cpufeatures.h",
"arch/x86/kernel/cpu/bugs.c",
"arch/x86/kvm/vmx/vmenter.S"
],
"versions": [
{
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"lessThan": "3d323b99ff5c8c57005184056d65f6af5b0479d8",
"status": "affected",
"versionType": "git"
},
{
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},
{
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"status": "affected",
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},
{
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"status": "affected",
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},
{
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"status": "affected",
"versionType": "git"
},
{
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},
{
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},
{
"version": "eebc3f8adee0a6f43a4789ef0bf5c5b35de8cfe4",
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},
{
"version": "c1ddd99a029636e234a800f28790a60d6ac0318f",
"status": "affected",
"versionType": "git"
},
{
"version": "4.14.14",
"lessThan": "4.14.297",
"status": "affected",
"versionType": "semver"
},
{
"version": "3.2.101",
"lessThan": "3.3",
"status": "affected",
"versionType": "semver"
},
{
"version": "3.16.56",
"lessThan": "3.17",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.4.113",
"lessThan": "4.5",
"status": "affected",
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},
{
"version": "4.9.77",
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"status": "affected",
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}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"arch/x86/include/asm/cpufeatures.h",
"arch/x86/kernel/cpu/bugs.c",
"arch/x86/kvm/vmx/vmenter.S"
],
"versions": [
{
"version": "4.15",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.15",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.297",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.266",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.217",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
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"status": "unaffected",
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},
{
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"status": "unaffected",
"versionType": "semver"
},
{
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"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.19",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14.14",
"versionEndExcluding": "4.14.297"
},
{
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"versionStartIncluding": "4.15",
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},
{
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},
{
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},
{
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},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.15",
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},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
{
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},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4.113"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9.77"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8"
},
{
"url": "https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527"
},
{
"url": "https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0"
},
{
"url": "https://git.kernel.org/stable/c/4d7f72b6e1bc630bec7e4cd51814bc2b092bf153"
},
{
"url": "https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f"
},
{
"url": "https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329"
},
{
"url": "https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd"
}
],
"title": "x86/speculation: Fill RSB on vmexit for IBRS",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2022-49611",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T19:46:15.314111Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T19:49:40.677Z"
}
}
]
}
}