CVE-2026-45871 - Vulnerability Details

- 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.

Published: 2026-05-27

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< e0ce3da82341fcd6194175f1837946b2a894c625
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< 7687133509cf66ced120b667fefd21f80bf17993
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< 1256c6dc96d1e687e6e9b63088156ed07411b00c
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< cc09d55f519e15355de343264a22ac6682b8305e
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< ec15eb67fe9df87981b4829b901ec254273ca483
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< 4fffb77d35d038f146e6192da583dbe4971d869e
`bf38b8710892333cec2d8069644eb36ff435fd6f`	affected	< 3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9

Linux

affected

Version	Status	Constraints
`4.1`	affected	—
`0`	unaffected	< 4.1
`5.10.252`	unaffected	≤ 5.10.*
`5.15.202`	unaffected	≤ 5.15.*
`6.1.165`	unaffected	≤ 6.1.*
`6.6.128`	unaffected	≤ 6.6.*
`6.12.75`	unaffected	≤ 6.12.*
`6.18.14`	unaffected	≤ 6.18.*
`6.19.4`	unaffected	≤ 6.19.*
`7.0`	unaffected	≤ *

No data.

Vendor Product Confidence Versions

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`[bf38b8710892333cec2d8069644eb36ff435fd6f,e0ce3da82341fcd6194175f1837946b2a894c625)`	affected	code_commit	—
`[bf38b8710892333cec2d8069644eb36ff435fd6f,7687133509cf66ced120b667fefd21f80bf17993)`	affected	code_commit	—
`[bf38b8710892333cec2d8069644eb36ff435fd6f,1256c6dc96d1e687e6e9b63088156ed07411b00c)`	affected	code_commit	—
`[bf38b8710892333cec2d8069644eb36ff435fd6f,a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c)`	affected	code_commit	—
`[bf38b8710892333cec2d8069644eb36ff435fd6f,cc09d55f519e15355de343264a22ac6682b8305e)`	affected	code_commit	—
`[bf38b8710892333cec2d8069644eb36ff435fd6f,ec15eb67fe9df87981b4829b901ec254273ca483)`	affected	code_commit	—
`[bf38b8710892333cec2d8069644eb36ff435fd6f,4fffb77d35d038f146e6192da583dbe4971d869e)`	affected	code_commit	—
`[bf38b8710892333cec2d8069644eb36ff435fd6f,3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9)`	affected	code_commit	—

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`[4.1,4.1]`	affected	generic	—
`[0,4.1)`	unaffected	generic	—
`[5.10.252,5.11.0)`	unaffected	semver	—
`[5.15.202,5.16.0)`	unaffected	semver	—
`[6.1.165,6.2.0)`	unaffected	semver	—
`[6.6.128,6.7.0)`	unaffected	semver	—
`[6.12.75,6.13.0)`	unaffected	semver	—
`[6.18.14,6.19.0)`	unaffected	semver	—
`[6.19.4,6.20.0)`	unaffected	semver	—
`[7.0,*]`	unaffected	generic	—

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-4606-1	linux security update

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00163.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/1256c6dc96d1e687e6e9b63088156ed07411b00c
https://git.kernel.org/stable/c/3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9
https://git.kernel.org/stable/c/4fffb77d35d038f146e6192da583dbe4971d869e
https://git.kernel.org/stable/c/7687133509cf66ced120b667fefd21f80bf17993
https://git.kernel.org/stable/c/a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c
https://git.kernel.org/stable/c/cc09d55f519e15355de343264a22ac6682b8305e
https://git.kernel.org/stable/c/e0ce3da82341fcd6194175f1837946b2a894c625
https://git.kernel.org/stable/c/ec15eb67fe9df87981b4829b901ec254273ca483
https://lore.kernel.org/linux-cve-announce/2026052713-CVE-2026-45871-f848@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-45871
https://www.cve.org/CVERecord?id=CVE-2026-45871

History

Thu, 28 May 2026 12:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-772
References		https://lore.kernel.org/linux-cve-announce/2026052713-CVE-2026-45871-f848@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2026-45871 https://www.cve.org/CVERecord?id=CVE-2026-45871
Metrics	threat_severity `None`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Low`

Wed, 27 May 2026 14:15:00 +0000

Type	Values Removed	Values 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.
Title		tpm: st33zp24: Fix missing cleanup on get_burstcount() error
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/1256c6dc96d1e687e6e9b63088156ed07411b00c https://git.kernel.org/stable/c/3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9 https://git.kernel.org/stable/c/4fffb77d35d038f146e6192da583dbe4971d869e https://git.kernel.org/stable/c/7687133509cf66ced120b667fefd21f80bf17993 https://git.kernel.org/stable/c/a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c https://git.kernel.org/stable/c/cc09d55f519e15355de343264a22ac6682b8305e https://git.kernel.org/stable/c/e0ce3da82341fcd6194175f1837946b2a894c625 https://git.kernel.org/stable/c/ec15eb67fe9df87981b4829b901ec254273ca483

Subscriptions

Linux Linux Kernel

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-05-27T12:15:51.317Z

Updated: 2026-05-27T12:15:51.317Z

Reserved: 2026-05-13T15:03:33.081Z

Link: CVE-2026-45871

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-05-27T14:17:00.543

Modified: 2026-06-17T10:52:38.670

Link: CVE-2026-45871

Redhat

Severity : Low

Publid Date: 2026-05-27T00:00:00Z

Links: CVE-2026-45871 - Bugzilla

OpenCVE Enrichment

Updated: 2026-05-28T13:30:15Z

Weaknesses

CWE-772

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Subscriptions

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