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

Quick assessment

Affected
OpenHarmony OpenHarmony
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenHarmony是中国开放原子开源基金会（OpenAtom Foundation）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony-v3.1.4版本及之前版本存在安全漏洞，该漏洞源于内核子系统在调用SysClockGettime时存在内核堆栈溢出漏洞。

CVSS 4.0 · Medium EPSS 0.18% · P7
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I. Basic Information for CVE-2022-45126

Vulnerability Information
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Vulnerability Title
Kernel subsystem in kernel_liteos_a has a kernel stack overflow vulnerability when call SysClockGettime.
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenHarmony 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenHarmony是中国开放原子开源基金会（OpenAtom Foundation）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony-v3.1.4版本及之前版本存在安全漏洞，该漏洞源于内核子系统在调用SysClockGettime时存在内核堆栈溢出漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenHarmony OpenHarmony 3.1.0 ~ 3.1.4 -

II. Public POCs for CVE-2022-45126

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III. Intelligence Information for CVE-2022-45126

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Other References for CVE-2022-45126 (1)

Same Patch Batch · OpenHarmony · 2023-01-09 · 4 CVEs total

CVE-2023-0036 6.5 MEDIUM platform_callback_stub in misc subsystem has an authentication bypass vulnerability which
CVE-2023-0035 6.5 MEDIUM softbus_client_stub in communication subsystem has an authentication bypass vulnerability
CVE-2022-43662 4.0 MEDIUM Kernel subsystem in kernel_liteos_a has a kernel stack overflow vulnerability when call Sy

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-120

V. Comments for CVE-2022-45126

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