CVE-2023-22436

Name: CVE-2023-22436
Creator: NVD / NIST
Published: 2023-03-10T11:15:12.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2023-22436 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The kernel subsystem function check_permission_for_set_tokenid within OpenHarmony-v3.1.5 and prior versions has an UAF vulnerability which local attackers can exploit this vulnerability to escalate the privilege to root. . EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

The kernel subsystem function check_permission_for_set_tokenid within OpenHarmony-v3.1.5 and prior versions has an UAF vulnerability which local attackers can exploit this vulnerability to escalate the privilege to root.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.18%

7.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openatom	Openharmony	>= 3.1, <= 3.1.5

References

https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2023/2023-02.mdThird Party Advisory
https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2023/2023-02.mdThird Party Advisory

Timeline

Published: Mar 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22436?

How severe is CVE-2023-22436?

CVE-2023-22436 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22436?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22436?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST