What is CVE-2022-43662?

CVE-2022-43662 is a medium-severity vulnerability in Openatom Openharmony, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 4.0/10. Published 2023-01-09.

How severe is CVE-2022-43662?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Buffer overflow in Openatom Openharmony

CVE-2022-43662

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Openatom Openharmony
Openharmony — versions 3.1.0, 3.0.0, 1.1.0

Weakness classification (CWE)

References

scy@openharmony.io (Third Party Advisory)

Frequently asked questions

What is CVE-2022-43662?: CVE-2022-43662 is a medium-severity vulnerability in Openatom Openharmony, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 4.0/10. Published 2023-01-09.
How severe is CVE-2022-43662?: Medium severity. CVSS v3 base score is 4.0 out of 10.