CVE-2026-72394
CVE CVE-2026-72394EUVD EUVD-2026-59293Published 2026-08-15T05:56:21.000ZLast changed 2026-08-17T05:13:48.000Z
What the advisory describes
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.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 0; patch: 7.1.5; 7e1449cd15d1096157d1a9923b82e37602fb7eb0 <fe87b8dc67f1b2c64e76a66e78468c533d3c44ca; 7e1449cd15d1096157d1a9923b82e37602fb7eb0 <898ca04b096b9e4640300eab91468c826a1ec92b; patch: 6.18.40; 7e1449cd15d1096157d1a9923b82e37602fb7eb0 <a3f98bd397398e2d4a7f98e006b5aaf4d54ebdf3; patch: 7.2; patch: 6.12.97; 6.9; 7e1449cd15d1096157d1a9923b82e37602fb7eb0 <fb8a5afe6f1f8aa7f19c6dda23d277dd6ae5d9e1
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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