CVE-2026-98845
kernel: tpm: Disable TPM on null key name mismatch
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 24, 2026
Description
A flaw was found in the Linux kernel's Trusted Platform Module (TPM) subsystem. This vulnerability allows an attacker to bypass TPM reset protections because the driver fails to disable the device when a null key integrity check fails. Consequently, the TPM continues serving requests and cryptographic authorization sessions may proceed using uninitialized key handles, compromising the integrity of secure operations.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.5CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE-393 · Return of Wrong Status Code