The latest security information on Intel® products.
Intel® Kernelflinger Advisory
| Intel ID: | INTEL-SA-00591 |
|---|---|
| Advisory Category: | Software |
| Impact of vulnerability: | Escalation of Privilege |
| Severity rating: | HIGH |
| Original release: | 02/08/2022 |
| Last revised: | 02/08/2022 |
Summary:
A potential security vulnerability in the Kernelflinger open source project maintained by Intel® may allow escalation of privilege. Intel is releasing source code updates to mitigate this potential vulnerability and has issued a Product Discontinuation Notice for Kernelflinger.
Vulnerability Details:
CVEID: CVE-2021-33137
Description: Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.
CVSS Base Score: 7.8 High
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products:
Kernelflinger open source project maintained by Intel® before commit id 5081b436def045e3fad5debe0a7ffcf8456b1579 Date: Mon June 28, 2021.
Recommendations:
Intel recommends updating Kernelflinger source to commit id 5081b436def045e3fad5debe0a7ffcf8456b1579, Date: Mon June 28, 2021, or later.
Updates are available for download at this location: https://github.com/intel/kernelflinger
Intel has issued a Product Discontinuation notice the Kernelflinger open source project and recommends that users of Kernelflinger uninstall it or discontinue use at their earliest convenience.
Acknowledgements:
This issue was found internally by Intel employees.
Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available.
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