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CVE-2023-22436

The kernel subsystem function check_permission_for_set_tokenid has an UAF vulnerability.

HIGH
7.8
CVSS Score
Published: March 10, 2023 at 10:44 AM UTC
Updated: June 17, 2026 at 05:35 AM UTC
1 product affected across 1 vendorOpenharmony

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Openharmony· Openatom
95%
3.1 ≤ v ≤ 3.1.53.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2023/2023-02.md

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHOpenHarmony
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190CWE-416

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