https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 12:31:51 +0000 https://vulnerability.circl.lu/vuln/cve-2022-50250 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>regulator: core: fix use_count leakage when handling boot-on</p> <p>I found a use_count leakage towards supply regulator of rdev with boot-on option.</p> <p>┌───────────────────┐ ┌───────────────────┐ │ regulator_dev A │ │ regulator_dev B │ │ (boot-on) │ │ (boot-on) │ │ use_count=0 │◀──supply──│ use_count=1 │ │ │ │ │ └───────────────────┘ └───────────────────┘</p> <p>In case of rdev(A) configured with `regulator-boot-on&#39;, the use_count of supplying regulator(B) will increment inside regulator_enable(rdev-&gt;supply).</p> <p>Thus, B will acts like always-on, and further balanced regulator_enable/disable cannot actually disable it anymore.</p> <p>However, B was also configured with `regulator-boot-on&#39;, we wish it could be disabled afterwards.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>regulator: core: fix use_count leakage when handling boot-on</p> <p>I found a use_count leakage towards supply regulator of rdev with boot-on option.</p> <p>┌───────────────────┐ ┌───────────────────┐ │ regulator_dev A │ │ regulator_dev B │ │ (boot-on) │ │ (boot-on) │ │ use_count=0 │◀──supply──│ use_count=1 │ │ │ │ │ └───────────────────┘ └───────────────────┘</p> <p>In case of rdev(A) configured with `regulator-boot-on&#39;, the use_count of supplying regulator(B) will increment inside regulator_enable(rdev-&gt;supply).</p> <p>Thus, B will acts like always-on, and further balanced regulator_enable/disable cannot actually disable it anymore.</p> <p>However, B was also configured with `regulator-boot-on&#39;, we wish it could be disabled afterwards.</p> https://vulnerability.circl.lu/vuln/cve-2022-50250