https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 08:42:10 +0000 https://vulnerability.circl.lu/vuln/cve-2026-64213 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>hwmon: (lm90) Add lock protection to lm90_alert</p> <p>Sashiko reports:</p> <p>lm90_alert() executes in the smbus alert context and calls lm90_update_confreg() to disable the hardware alert line, without acquiring hwmon_lock.</p> <p>Concurrently, sysfs write operations (such as lm90_write_convrate) hold the hwmon_lock, temporarily modify data-&gt;config, and then restore it.</p> <p>If an alert interrupt occurs concurrently with a sysfs write, the sysfs path will overwrite the alert handler&#39;s modifications to data-&gt;config and the hardware register.</p> <p>This unintentionally re-enables the hardware alert line while the alarm is still active, causing an interrupt storm.</p> <p>Add the missing lock to lm90_alert() to solve the problem.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>hwmon: (lm90) Add lock protection to lm90_alert</p> <p>Sashiko reports:</p> <p>lm90_alert() executes in the smbus alert context and calls lm90_update_confreg() to disable the hardware alert line, without acquiring hwmon_lock.</p> <p>Concurrently, sysfs write operations (such as lm90_write_convrate) hold the hwmon_lock, temporarily modify data-&gt;config, and then restore it.</p> <p>If an alert interrupt occurs concurrently with a sysfs write, the sysfs path will overwrite the alert handler&#39;s modifications to data-&gt;config and the hardware register.</p> <p>This unintentionally re-enables the hardware alert line while the alarm is still active, causing an interrupt storm.</p> <p>Add the missing lock to lm90_alert() to solve the problem.</p> https://vulnerability.circl.lu/vuln/cve-2026-64213