CVE-2022-43662 | BDVDB-2026-192525 Detail

OpenHarmonyOpenHarmony

Description#

Kernel subsystem within OpenHarmony-v3.1.4 and prior versions in kernel_liteos_a has a kernel stack overflow vulnerability when call SysTimerGettime. 4 bytes padding data from kernel stack are copied to user space incorrectly and leaked.

Impact#

CAPEC-131 Resource Leak Exposure

Weaknesses#

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

References#

https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-12.md

Exploit#

No public exploit known

History#

Version 12023-01-09Record published in the CVE List.
Version 22025-04-09Most recent update recorded in the CVE List.

Published

Published: 2023-01-09
Last modified: 2025-04-09

Vendor information

Vendor: OpenHarmony
Product: OpenHarmony

All OpenHarmony vulnerabilities

Score

4.0 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 3.1.0 and <= 3.1.4
Fixed
Not stated
Vulnerable
>= 3.0.0 and <= 3.0.6
Fixed
Not stated
Vulnerable
>= 1.1.0 and <= 1.1.5
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.0 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).