5.5med
CVE-2025-71077
tpm: Cap the number of PCR banks
Published 9 mo ago · modified 19 d ago · JSON
CVSS
5.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.1%
percentile 4%
Public exploits
0
none known
Summary
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.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction (EPSS)
0.15% probability of exploitation in the next 30 days, higher than 4% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Linux Linux
Classification
- Weakness
- CWE-20 Improper Input Validation
- Technology feeds
- Linux kernel (RSS, critical only)
References
- git.kernel.org /stable/c/8ceee7288152bc121a6bf92997261838c78bfe06
- git.kernel.org /stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950
- git.kernel.org /stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96
- git.kernel.org /stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23
- git.kernel.org /stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1
- git.kernel.org /stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50
- git.kernel.org /stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e
Sources
- CVE List: CVE-2025-71077
- NVD: CVE-2025-71077
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