CVE-2026-45871
tpm: st33zp24: Fix missing cleanup on get_burstcount() error
Description
In the Linux kernel, the following vulnerability has been resolved: tpm: st33zp24: Fix missing cleanup on get_burstcount() error get_burstcount() can return -EBUSY on timeout. When this happens, st33zp24_send() returns directly without releasing the locality acquired earlier. Use goto out_err to ensure proper cleanup when get_burstcount() fails.
INFO
Published Date :
May 27, 2026, 2:17 p.m.
Last Modified :
May 27, 2026, 2:48 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply the patch to the Linux kernel.
- Update the tpm driver.
- Ensure get_burstcount() cleanup is handled.
Public PoC/Exploit Available at Github
CVE-2026-45871 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-45871.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-45871 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-45871
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
DSA and DLA for Debian last 14 days
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-45871 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-45871 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 27, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: tpm: st33zp24: Fix missing cleanup on get_burstcount() error get_burstcount() can return -EBUSY on timeout. When this happens, st33zp24_send() returns directly without releasing the locality acquired earlier. Use goto out_err to ensure proper cleanup when get_burstcount() fails. Added Reference https://git.kernel.org/stable/c/1256c6dc96d1e687e6e9b63088156ed07411b00c Added Reference https://git.kernel.org/stable/c/3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9 Added Reference https://git.kernel.org/stable/c/4fffb77d35d038f146e6192da583dbe4971d869e Added Reference https://git.kernel.org/stable/c/7687133509cf66ced120b667fefd21f80bf17993 Added Reference https://git.kernel.org/stable/c/a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c Added Reference https://git.kernel.org/stable/c/cc09d55f519e15355de343264a22ac6682b8305e Added Reference https://git.kernel.org/stable/c/e0ce3da82341fcd6194175f1837946b2a894c625 Added Reference https://git.kernel.org/stable/c/ec15eb67fe9df87981b4829b901ec254273ca483