In the Linux kernel, the following vulnerability has been resolved:
tpm: st33zp24: Return zero on status read failure
st33zp24_status() ignores the result of the transport read and returns
data even when no byte was received. The I2C transport, for example,
skips i2c_master_recv() when the register-select write is short or fails,
leaving data uninitialized. The resulting stack value can be interpreted
as TPM_STS flags and let status checks complete spuriously.
The status callback cannot propagate a transport error. Return zero
unless recv() reports exactly one byte. With no status bits set, callers
retry or take their existing timeout or error path instead of acting on
an invalid status value.
This issue was found by a static analysis checker and confirmed by manual
source review.
CVSS
No CVSS.
References
Configurations
No configuration.
History
17 Sep 2026, 17:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-09-17 17:16
Updated : 2026-09-17 17:16
NVD link : CVE-2026-90070
Mitre link : CVE-2026-90070
CVE.ORG link : CVE-2026-90070
JSON object : View
Products Affected
No product.
CWE
No CWE.