CVE-2026-45871
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.
Affected versions
Linux kernel versions
4.1
and later are affected. Fixed in
5.10.252,
5.15.202,
6.1.165,
6.6.128,
6.12.75,
6.18.14,
6.19.4,
7.0
and their respective stable series.
References
The following references provide additional information about CVE-2026-45871 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/1256c6dc96d1e687e6e9b63088156ed07411b00c
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PatchKernel patch commithttps://git.kernel.org/stable/c/3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9
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PatchKernel patch commithttps://git.kernel.org/stable/c/4fffb77d35d038f146e6192da583dbe4971d869e
Frequently asked questions
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What is CVE-2026-45871?
CVE-2026-45871 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.1 onward and has been patched in 5.10.252, 5.15.202, 6.1.165 and others. CVE-2026-45871 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-45871?
Yes — CVE-2026-45871 has been patched. Fixed versions include 5.10.252, 5.15.202, 6.1.165 and others. If you are running Linux kernel 4.1 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-45871 actively exploited?
No — CVE-2026-45871 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.