8.2

CVE-2023-45745: intel tdx_module Improper Input Validation

Analyzed
AliasesALPINE-CVE-2023-45745UBUNTU-CVE-2023-45745DEBIAN-CVE-2023-45745
Published 16-05-2024Last modified 13-02-2025

Vulnerability summary

CVE-2023-45745 is a high (CVSS 8.2) Improper Input Validation vulnerability in intel tdx_module. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.9, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.2/10
010
High · v3.1 (NVD)
EPSS score
0.38%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 6
MGASA-2024-0207OPENSUSE-SU-2024:13974-1SUSE-SU-2024:1684-1SUSE-SU-2024:1771-1SUSE-SU-2025:1032-1SUSE-SU-2025:20020-1

Timeline

  1. 16-05-2024
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.38% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • intel-ucode< 20240813-r0 | < 20240514-r0
Debian1 product
  • intel-microcode< 3.20240514.1~deb12u1 | < 3.20240514.1
Intel1 product
Netapp1 product
Ubuntu1 product
  • intel-microcodeAll versions (No fix recorded) | < 3.20240514.0ubuntu0.16.04.1+esm1 | < 3.20240514.0ubuntu0.18.04.1+esm1 | < 3.20240514.0ubuntu0.20.04.1 | < 3.20240514.0ubuntu0.22.04.1 | < 3.20240514.0ubuntu0.24.04.1

5 vendors · 5 products

References

8 links