CVE-2026-72394— Aspeed G6 PWM TACH 风扇转速除以零漏洞
可能的 ATT&CK 技术 1AI
T1499 · Endpoint Denial of Service影响版本矩阵 10
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 7e1449cd15d1096157d1a9923b82e37602fb7eb0< a3f98bd397398e2d4a7f98e006b5aaf4d54ebdf3 | affected |
7e1449cd15d1096157d1a9923b82e37602fb7eb0< 898ca04b096b9e4640300eab91468c826a1ec92b | affected | ||
7e1449cd15d1096157d1a9923b82e37602fb7eb0< fb8a5afe6f1f8aa7f19c6dda23d277dd6ae5d9e1 | affected | ||
7e1449cd15d1096157d1a9923b82e37602fb7eb0< fe87b8dc67f1b2c64e76a66e78468c533d3c44ca | affected | ||
6.9 | affected | ||
< 6.9 | unaffected | ||
6.12.97≤ 6.12.* | unaffected | ||
6.18.40≤ 6.18.* | unaffected | ||
| … +2 条更多 | |||
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一、 漏洞 CVE-2026-72394 基础信息
漏洞信息
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Vulnerability Title
hwmon: (aspeed-g6-pwm-tach) Guard fan RPM calculation against divide-by-zero
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (aspeed-g6-pwm-tach) Guard fan RPM calculation against divide-by-zero Sashiko reports: In the aspeed-g6-pwm-tacho driver, the aspeed_tach_val_to_rpm() function calculates the fan RPM using the tachometer value. However, it does not check if the tachometer value is zero before performing the division. If the hardware reports a tachometer value of 0 (which can happen due to an extremely fast pulse, a stuck edge, or a hardware glitch), the calculated tach_div evaluates to 0. The subsequent call to do_div() with tach_div as the divisor triggers a divide-by-zero exception, leading to a kernel panic. Check the divisor against zero to fix the problem.
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-2026-72394 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-72394 补丁与修复 (4)
同批安全公告 · Linux · 2026-08-15 · 共 846 条
| CVE-2026-72407 | 10.0 CRITICAL | Geneve 内核模块 inner network offset 验证漏洞 |
| CVE-2026-72408 | 10.0 CRITICAL | Geneve GRO提示处理缺陷 |
| CVE-2026-74309 | 10.0 CRITICAL | vdpa/octeon_ep 中断处理程序 IRQ 到环映射错误 |
| CVE-2026-74280 | 10.0 CRITICAL | Marvell OCTEONTX 驱动 DMA清理循环索引错误漏洞 |
| CVE-2026-74279 | 10.0 CRITICAL | Cavium CPT DMA清理使用错误循环索引 |
| CVE-2026-74475 | 10.0 CRITICAL | vxlan 短路由中 neigh_ha_snapshot() 使用错误 |
| CVE-2026-72421 | 10.0 CRITICAL | IPv4 fib 本地/主表忽略错误路由 |
| CVE-2026-72493 | 9.9 CRITICAL | net: 在 enqueue_to_backlog() 中序列化 netif_running() 检查 |
| CVE-2026-72466 | 9.8 CRITICAL | xprtrdma 修复 bcall 回复泄漏及无界窥视漏洞 |
| CVE-2026-72248 | 9.8 CRITICAL | netfilter flowtable IPIP隧道直接转发漏洞 |
| CVE-2026-72381 | 9.8 CRITICAL | ksmbd 耐久句柄检查中的use-after-free漏洞 |
| CVE-2026-72477 | 9.8 CRITICAL | NTFS3 重命名失败时调用 _ntfs_bad_inode 漏洞 |
| CVE-2026-72473 | 9.8 CRITICAL | xprtrdma 远程代码执行漏洞 |
| CVE-2026-72472 | 9.8 CRITICAL | NFS 使用rwsem保护文件锁列表遍历 |
| CVE-2026-72234 | 9.8 CRITICAL | batman-adv 未 realloc 时访问 skb->data 漏洞 |
| CVE-2026-72139 | 9.8 CRITICAL | Linux tcp_connect RCU宽限期后释放md5sig_info导致内存错误漏洞 |
| CVE-2026-72137 | 9.8 CRITICAL | Linux xfrm nat_keepalive发送错误时双重释放漏洞 |
| CVE-2026-74401 | 9.8 CRITICAL | dlm 发送队列有序性处理漏洞 |
| CVE-2026-74406 | 9.8 CRITICAL | VXLAN 内核模块远程代码执行漏洞 |
| CVE-2026-72129 | 9.8 CRITICAL | nvmet-rdma内联数据非零偏移处理漏洞 |
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IV. Related Vulnerabilities
V. Comments for CVE-2026-72394
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