CVE-2026-72395— pmbus 驱动向 regulator 核心传递事件修复漏洞
影响版本矩阵 17
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | b26849cffaa7c43355b82e9bef3725e786973a1a< 2106bf4056858fcce3624e0c51f6fee4d41d3f2f | affected |
acf04e2863132f6d9222f71f3a76fb9782cbe061< 48fe43666950efefb7ac5fbdc012c1b3604096bf | affected | ||
4e9d723d9f198b86f6882a84c501ba1f39e8d055< 489291b6b56978cc50d34e8e13f9636ea296ba8a | affected | ||
754bd2b4a084b90b5e7b630e1f423061a9b9b761< b0ff6b6ae9c5183ef701ece7016698bde5a5bfba | affected | ||
754bd2b4a084b90b5e7b630e1f423061a9b9b761< 9ef7dacd44216bf5ea05c8aef49eba4d145f4047 | affected | ||
2c77ae315f3ce9d2c8e1609be74c9358c1fe4e07 | affected | ||
6.6.143< 6.6.145 | affected | ||
6.12.92< 6.12.97 | affected | ||
| … +9 条更多 | |||
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一、 漏洞 CVE-2026-72395 基础信息
漏洞信息
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Vulnerability Title
hwmon: (pmbus) Fix passing events to regulator core
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus) Fix passing events to regulator core Sashiko reports: Commit 754bd2b4a084 ("hwmon: (pmbus/core) Protect regulator operations with mutex") introduced a worker to batch regulator events over time using atomic_or(). The delayed worker then passes the combined bitmask unmodified to regulator_notifier_call_chain(). The core regulator subsystem's regulator_handle_critical() function evaluates the event parameter using a strict switch statement. If multiple distinct faults occur before the worker runs (e.g., REGULATOR_EVENT_UNDER_VOLTAGE | REGULATOR_EVENT_OVER_CURRENT), the combined bitmask fails to match any case. This leaves the reason as NULL and completely bypasses the critical hw_protection_trigger(). Fix the problem by passing events bit by bit to the regulator event handler.
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
受影响产品
二、漏洞 CVE-2026-72395 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-72395 补丁与修复 (5)
同批安全公告 · Linux · 2026-08-15 · 共 848 条
| CVE-2026-72255 | netfilter nf_queue 桥接设备 pin 漏洞 | |
| CVE-2026-72268 | t dfxfb tdfxfb_probe 内存泄漏漏洞 | |
| CVE-2026-72267 | fbdev carminefb alloc_carmine_fb()潜在内存泄漏漏洞 | |
| CVE-2026-72266 | vesafb: vesafb_probe() 内存泄漏漏洞 | |
| CVE-2026-72265 | NVIDIA fbdev 驱动 nvidiafb_probe 内存泄漏漏洞 | |
| CVE-2026-72264 | tridentfb：trident_pci_probe() 潜在内存泄漏 | |
| CVE-2026-72262 | ASoC: SOF: bytes_ext 堆溢出漏洞 | |
| CVE-2026-72263 | ASoC SOF拓扑内存泄漏漏洞 | |
| CVE-2026-72261 | ASoC SOF ipc3-control 验证 snd_sof_update_control 中的大小 | |
| CVE-2026-72260 | Mediatek MT8192 SoC驱动运行时恢复检查漏洞 | |
| CVE-2026-72259 | mediatek mt8192 资源释放漏洞 | |
| CVE-2026-72258 | MT8183内存清理释放漏洞 | |
| CVE-2026-72256 | netfilter xt_cluster 哈希匹配中拒绝模板连接跟踪漏洞 | |
| CVE-2026-72257 | qcom q6apm NULL指针解引用漏洞 | |
| CVE-2026-72245 | host1x: host1x_device_parse_dt() 设备引用泄露漏洞 | |
| CVE-2026-72248 | netfilter flowtable IPIP隧道直接转发漏洞 | |
| CVE-2026-72247 | Linux内核 nf_conncount 连接数模块元组去重时区域比较逻辑错误漏洞 | |
| CVE-2026-72246 | netfilter flowtable 隧道路由方向设置错误漏洞 | |
| CVE-2026-72249 | netfilter flowtable IPIP头部推送方向目标地址使用漏洞 | |
| CVE-2026-72244 | gpu/buddy：对齐失败时终止try_harder |
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IV. Related Vulnerabilities
V. Comments for CVE-2026-72395
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