Vulnerability · Published May 16, 2024 · Assigned by intel

CVE-2023-47855

Medium 6.0

In plain English

A medium-severity improper input validation in Intel(R) TDX module software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.0Medium
Exploit odds (30 days)0.4%top 68.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12intel-microcode3.20240514.1~deb12u1DEBIAN-CVE-2023-47855
Debian:13intel-microcode3.20240514.1DEBIAN-CVE-2023-47855
Debian:14intel-microcode3.20240514.1DEBIAN-CVE-2023-47855
Ubuntu:22.04:LTSintel-microcode3.20240514.0ubuntu0.22.04.1USN-6797-1
Ubuntu:22.04:LTSintel-microcode3.20240514.0ubuntu0.22.04.1UBUNTU-CVE-2023-47855
Ubuntu:24.04:LTSintel-microcode3.20240514.0ubuntu0.24.04.1USN-6797-1
Ubuntu:24.04:LTSintel-microcode3.20240514.0ubuntu0.24.04.1UBUNTU-CVE-2023-47855

Affected products (as reported)

VendorProductVersions
n/a Intel(R) TDX module software before version 1.5.05.46.698

Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

References