CVE-2022-50370— Linux kernel 安全漏洞
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
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。
可能的 ATT&CK 技术 1 AI
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
对漏洞内容有疑问？看看神龙的深度分析是否有帮助！
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Vulnerability Title
i2c: designware: Fix handling of real but unexpected device interrupts
来源: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
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-2023-53338 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-53360 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2022-50363 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2022-50373 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-53358 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50368 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50367 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53340 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50362 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53354 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50355 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50354 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53335 | 7.5 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50365 | 7.5 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50374 | Linux kernel 安全漏洞 | |
| CVE-2022-50353 | Linux kernel 安全漏洞 | |
| CVE-2023-53337 | Linux kernel 安全漏洞 | |
| CVE-2022-50372 | Linux kernel 安全漏洞 | |
| CVE-2022-50369 | Linux kernel 安全漏洞 | |
| CVE-2022-50371 | Linux kernel 安全漏洞 |
显示前 20 条，共 56 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2022-50370
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