Bug 2429101 (CVE-2025-71077) - CVE-2025-71077 kernel: tpm: Cap the number of PCR banks
Summary: CVE-2025-71077 kernel: tpm: Cap the number of PCR banks
Keywords:
Status: NEW
Alias: CVE-2025-71077
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-13 16:06 UTC by OSIDB Bzimport
Modified: 2026-01-14 23:26 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-01-13 16:06:48 UTC
In the Linux kernel, the following vulnerability has been resolved:

tpm: Cap the number of PCR banks

tpm2_get_pcr_allocation() does not cap any upper limit for the number of
banks. Cap the limit to eight banks so that out of bounds values coming
from external I/O cause on only limited harm.


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