What is CVE-2023-22436?

CVE-2023-22436 is a high-severity vulnerability in Openatom Openharmony, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2023-03-10.

How severe is CVE-2023-22436?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Openatom Openharmony

CVE-2023-22436

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.

Vulnerability class: Integer Overflow

EPSS: 0.002 (7.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openatom Openharmony
Openharmony — versions 3.1

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound
CWE-416 — Use After Free

References

scy@openharmony.io (Third Party Advisory)

Frequently asked questions

What is CVE-2023-22436?: CVE-2023-22436 is a high-severity vulnerability in Openatom Openharmony, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2023-03-10.
How severe is CVE-2023-22436?: High severity. CVSS v3 base score is 7.8 out of 10.