CVE-2022-50370— Linux kernel 安全漏洞
可能的 ATT&CK 技术 1AI
T1059 · Command and Scripting Interpreter影响版本矩阵 10
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | c7b79a75287141cef5bbaeaf1c942269c08cd52e< 7fa5304c4b5b425d4a0b3acf10139a7f6108a85f | affected |
c7b79a75287141cef5bbaeaf1c942269c08cd52e< a206f7fbe9589c60fafad12884628c909ecb042f | affected | ||
c7b79a75287141cef5bbaeaf1c942269c08cd52e< aa59ac81e859006d3a1df035a19b3f2089110f93 | affected | ||
c7b79a75287141cef5bbaeaf1c942269c08cd52e< 301c8f5c32c8fb79c67539bc23972dc3ef48024c | affected | ||
5.12 | affected | ||
< 5.12 | unaffected | ||
5.15.75≤ 5.15.* | unaffected | ||
5.19.17≤ 5.19.* | unaffected | ||
| … +2 条更多 | |||
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一、 漏洞 CVE-2022-50370 基础信息
漏洞信息
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Vulnerability Title
i2c: designware: Fix handling of real but unexpected device interrupts
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: i2c: designware: Fix handling of real but unexpected device interrupts Commit c7b79a752871 ("mfd: intel-lpss: Add Intel Alder Lake PCH-S PCI IDs") caused a regression on certain Gigabyte motherboards for Intel Alder Lake-S where system crashes to NULL pointer dereference in i2c_dw_xfer_msg() when system resumes from S3 sleep state ("deep"). I was able to debug the issue on Gigabyte Z690 AORUS ELITE and made following notes: - Issue happens when resuming from S3 but not when resuming from "s2idle" - PCI device 00:15.0 == i2c_designware.0 is already in D0 state when system enters into pci_pm_resume_noirq() while all other i2c_designware PCI devices are in D3. Devices were runtime suspended and in D3 prior entering into suspend - Interrupt comes after pci_pm_resume_noirq() when device interrupts are re-enabled - According to register dump the interrupt really comes from the i2c_designware.0. Controller is enabled, I2C target address register points to a one detectable I2C device address 0x60 and the DW_IC_RAW_INTR_STAT register START_DET, STOP_DET, ACTIVITY and TX_EMPTY bits are set indicating completed I2C transaction. My guess is that the firmware uses this controller to communicate with an on-board I2C device during resume but does not disable the controller before giving control to an operating system. I was told the UEFI update fixes this but never the less it revealed the driver is not ready to handle TX_EMPTY (or RX_FULL) interrupt when device is supposed to be idle and state variables are not set (especially the dev->msgs pointer which may point to NULL or stale old data). Introduce a new software status flag STATUS_ACTIVE indicating when the controller is active in driver point of view. Now treat all interrupts that occur when is not set as unexpected and mask all interrupts from the controller.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于i2c_designware设备中断处理不当，可能导致空指针取消引用。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2022-50370 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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同批安全公告 · Linux · 2025-09-17 · 共 56 条
| CVE-2022-50371 | Linux kernel 安全漏洞 | |
| CVE-2022-50355 | Linux kernel 安全漏洞 | |
| CVE-2022-50358 | Linux kernel 安全漏洞 | |
| CVE-2022-50356 | Linux kernel 安全漏洞 | |
| CVE-2022-50357 | Linux kernel 安全漏洞 | |
| CVE-2022-50359 | Linux kernel 安全漏洞 | |
| CVE-2022-50354 | Linux kernel 安全漏洞 | |
| CVE-2022-50367 | Linux kernel 安全漏洞 | |
| CVE-2022-50368 | Linux kernel 安全漏洞 | |
| CVE-2022-50369 | Linux kernel 安全漏洞 | |
| CVE-2022-50366 | Linux kernel 安全漏洞 | |
| CVE-2022-50372 | Linux kernel 安全漏洞 | |
| CVE-2022-50373 | Linux kernel 安全漏洞 | |
| CVE-2022-50374 | Linux kernel 安全漏洞 | |
| CVE-2023-53335 | Linux kernel 安全漏洞 | |
| CVE-2023-53336 | Linux kernel 安全漏洞 | |
| CVE-2023-53337 | Linux kernel 安全漏洞 | |
| CVE-2023-53338 | Linux kernel 安全漏洞 | |
| CVE-2023-53339 | Linux kernel 安全漏洞 | |
| CVE-2023-53340 | Linux kernel 安全漏洞 |
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IV. Related Vulnerabilities
V. Comments for CVE-2022-50370
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