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CVE-2022-41802— Kernel subsystem in kernel_liteos_a has a kernel stack overflow vulnerability when call SysClockGetres.

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 kernel_liteos_a存在安全漏洞，该漏洞源于内核子系统在调用 SysClockGetres 时存在内核堆栈溢出，来自内核堆栈的 4 字节填充数据被错误地复制到用户空间并泄漏，以下产品和版本受到影响：OpenHarmony-v3.1-Release 到 OpenHarmony-v3.1.4-Release版本、OpenHarmony-v3.0-LTS

CVSS 4.0 · Medium EPSS 0.18% · P8

Possible ATT&CK Techniques 1 AI

T1072 · Software Deployment Tools
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I. Basic Information for CVE-2022-41802

Vulnerability Information
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Vulnerability Title
Kernel subsystem in kernel_liteos_a has a kernel stack overflow vulnerability when call SysClockGetres.
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 SysClockGetres. 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 kernel_liteos_a存在安全漏洞，该漏洞源于内核子系统在调用 SysClockGetres 时存在内核堆栈溢出，来自内核堆栈的 4 字节填充数据被错误地复制到用户空间并泄漏，以下产品和版本受到影响：OpenHarmony-v3.1-Release 到 OpenHarmony-v3.1.4-Release版本、OpenHarmony-v3.0-LTS
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 -

II. Public POCs for CVE-2022-41802

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III. Intelligence Information for CVE-2022-41802

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Other References for CVE-2022-41802 (1)

Same Patch Batch · OpenHarmony · 2022-12-08 · 4 CVEs total

CVE-2022-45877 8.3 HIGH PIN code is transmitted to the peer device in plain text during cross-device authenticatio
CVE-2022-44455 6.8 MEDIUM The appspawn and nwebspawn services were found to be vulnerable to buffer overflow vulnera
CVE-2022-45118 6.2 MEDIUM Telephony in communication subsystem sends public events with personal data, but the permi

IV. Related Vulnerabilities

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

V. Comments for CVE-2022-41802

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