CVE-2022-45126: Kernel subsystem in kernel_liteos_a has a kernel stack overflow vulnerability when call SysClockGettime.

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-09 · updated 2026-06-17
Weakness: CWE-120

Description

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

Affected products

OpenHarmony: from 1.1.0 through 1.1.5; from 3.0 through 3.0.6
Openharmony: from 3.1.0 through 3.1.4

References

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

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