CVE-2026-98728Low· 2.5▾ SunlitA flaw was found in the Linux kernel's Trusted Platform Module (TPM) driver. This flaw can lead to information disclosure when the kernel requests random data. Due to an incorrect bounds check when processing session-tagged responses, a tr…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 13.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 2.5
none → low
A flaw was found in the Linux kernel's Trusted Platform Module (TPM) driver. This flaw can lead to information disclosure when the kernel requests random data. Due to an incorrect bounds check when processing session-tagged responses, a truncated response can pass validation and cause the kernel to read past the end of the buffer. Consequently, stale kernel memory contents may be returned to the caller instead of random data, potentially exposing sensitive information.
kernel: tpm: fix off-by-four bounds check in tpm2_get_random() — rated Low by Red Hat. Released 2026-10-18, updated 2026-10-23.
Affected:
No fix planned:
Not affected:
Out of support scope
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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