
CVE catalog
CVE-2023-45745
Intel Microcode vulnerabilities
Improper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalation of privilege via local access.
- Severity
- High · CVSS 7.9
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.38% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [
{
"name": "intel-microcode",
"status": "fixed",
"release": "sid",
"version": "3.20260227.1"
},
{
"name": "intel-microcode",
"status": "fixed",
"release": "forky",
"version": "3.20260227.1"
},
{
"name": "intel-microcode",
"status": "fixed",
"release": "trixie",
"version": "3.20251111.1~deb13u1"
},
{
"name": "intel-microcode",
"status": "fixed",
"release": "trixie-security",
"version": "3.20250812.1~deb13u1"
},
{
"name": "intel-microcode",
"status": "fixed",
"release": "bookworm",
"version": "3.20251111.1~deb12u1"
},
{
"name": "intel-microcode",
"status": "fixed",
"release": "bookworm-security",
"version": "3.20250812.1~deb12u1"
}
],
"fixed_versions": [
{
"bug": null,
"name": "intel-microcode",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "not yet assigned",
"fixed_version": "3.20240514.1"
},
{
"bug": null,
"name": "intel-microcode",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "not yet assigned",
"fixed_version": "3.20240514.1"
},
{
"bug": null,
"name": "intel-microcode",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": "3.20240514.1"
},
{
"bug": null,
"name": "intel-microcode",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": "3.20240514.1~deb12u1"
}
],
"distribution_packages": [
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},
{
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"release": "noble",
"ecosystem": "deb",
"fixed_version": "3.20240514.0ubuntu0.24.04.1"
},
{
"name": "tdx_module",
"ranges": [
{
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"introduced": "",
"last_affected": "",
"start_excluding": ""
}
],
"ecosystem": "cpe",
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"provider_record_id": "NVD-CVE-2023-45745"
},
{
"name": "hci_compute_node_bios",
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},
{
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],
"release": "3.17",
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{
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"release": "3.18",
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{
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],
"release": "3.19",
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},
{
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}
],
"release": "3.20",
"versions": [],
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},
{
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],
"release": "3.21",
"versions": [],
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"fixed_version": "20240514-r0",
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},
{
"name": "intel-ucode",
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"release": "3.22",
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},
{
"name": "intel-ucode",
"distro": "alpine",
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{
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],
"release": "3.23",
"versions": [],
"ecosystem": "apk",
"fixed_version": "20240514-r0",
"provider_record_id": "ALPINE-CVE-2023-45745"
},
{
"name": "intel-ucode",
"distro": "alpine",
"ranges": [
{
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"events": [
{
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{
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}
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}
],
"release": "3.24",
"versions": [],
"ecosystem": "apk",
"fixed_version": "20240514-r0",
"provider_record_id": "ALPINE-CVE-2023-45745"
},
{
"name": "intel-microcode",
"distro": "ubuntu",
"ranges": [
{
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"events": [
{
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{
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],
"release": "pro",
"versions": [
"3.20170707.1",
"3.20171117.1",
"3.20180108.1",
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"3.20180312.0~ubuntu18.04.1",
"3.20180425.1~ubuntu0.18.04.1",
"3.20180425.1~ubuntu0.18.04.2",
"3.20180807a.0ubuntu0.18.04.1",
"3.20190514.0ubuntu0.18.04.2",
"3.20190514.0ubuntu0.18.04.3",
"3.20190618.0ubuntu0.18.04.1",
"3.20191112-0ubuntu0.18.04.2",
"3.20191115.1ubuntu0.18.04.1",
"3.20191115.1ubuntu0.18.04.2",
"3.20200609.0ubuntu0.18.04.0",
"3.20200609.0ubuntu0.18.04.1",
"3.20201110.0ubuntu0.18.04.1",
"3.20201110.0ubuntu0.18.04.2",
"3.20210216.0ubuntu0.18.04.1",
"3.20210608.0ubuntu0.18.04.1",
"3.20220510.0ubuntu0.18.04.1",
"3.20220809.0ubuntu0.18.04.1",
"3.20230214.0ubuntu0.18.04.1",
"3.20230808.0ubuntu0.18.04.1+esm1",
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},
{
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}
]
}
],
"release": "20.04",
"versions": [
"3.20190918.1ubuntu1",
"3.20191115.1ubuntu1",
"3.20191115.1ubuntu2",
"3.20191115.1ubuntu3",
"3.20200609.0ubuntu0.20.04.0",
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"3.20200609.0ubuntu0.20.04.2",
"3.20201110.0ubuntu0.20.04.1",
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"3.20230214.0ubuntu0.20.04.1",
"3.20230808.0ubuntu0.20.04.1",
"3.20231114.0ubuntu0.20.04.1"
],
"ecosystem": "deb",
"fixed_version": "3.20240514.0ubuntu0.20.04.1",
"provider_record_id": "UBUNTU-CVE-2023-45745"
},
{
"name": "intel-microcode",
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"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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],
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},
{
"name": "intel-microcode",
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"ranges": [
{
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{
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]
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],
"release": "24.04",
"versions": [
"3.20230808.1",
"3.20231114.0ubuntu1",
"3.20231114.1",
"3.20240312.1",
"3.20240312.1build1"
],
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}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [intel-microcode]Unknown
Details (1)
3.20251111.1~deb12u1· amd64 · bookwormFixed · Fixed:
3.20240514.1~deb12u1usn · intel-microcode · debian · bookworm; usn · intel-microcode · debian · 12
[Debian 13 (Trixie)]
- [intel-microcode]Unknown
Details (1)
3.20251111.1~deb13u1· amd64 · trixieFixed · Fixed:
3.20240514.1usn · intel-microcode · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2024_1684-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-45745]
- [https://osv.dev/vulnerability/ALPINE-CVE-2023-45745]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-45745]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-45745]
- [https://security-tracker.debian.org/tracker/CVE-2023-45745]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-45745.json]
- [https://ubuntu.com/security/notices/USN-6797-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1294.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]