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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Thu, 12 Nov 2026 07:25:24 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-98480 — nfc: trf7970a: power down on startup RX gain failure</title>
      <link>https://db.gcve.eu/vuln/cve-2026-98480</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;nfc: trf7970a: power down on startup RX gain failure&lt;/p&gt;
&lt;p&gt;trf7970a_startup() powers up the device before applying the optional RX
gain reduction. If the register read or write fails, it returns without
undoing that power-up. Probe&amp;#39;s unwind only drops the separate regulator
references acquired by probe, leaving the additional VIN enable from
startup unbalanced. The system resume caller also has no power-down on
this error.&lt;/p&gt;
&lt;p&gt;Call trf7970a_power_down() before returning the RX gain error to deassert
the enable GPIOs, release the startup VIN reference and restore the
powered-off state. Runtime PM has not been enabled yet, so the full
shutdown helper is not appropriate here. Preserve the original SPI error.&lt;/p&gt;
&lt;p&gt;This issue was identified during our ongoing static-analysis research while
reviewing kernel code.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;nfc: trf7970a: power down on startup RX gain failure&lt;/p&gt;
&lt;p&gt;trf7970a_startup() powers up the device before applying the optional RX
gain reduction. If the register read or write fails, it returns without
undoing that power-up. Probe&amp;#39;s unwind only drops the separate regulator
references acquired by probe, leaving the additional VIN enable from
startup unbalanced. The system resume caller also has no power-down on
this error.&lt;/p&gt;
&lt;p&gt;Call trf7970a_power_down() before returning the RX gain error to deassert
the enable GPIOs, release the startup VIN reference and restore the
powered-off state. Runtime PM has not been enabled yet, so the full
shutdown helper is not appropriate here. Preserve the original SPI error.&lt;/p&gt;
&lt;p&gt;This issue was identified during our ongoing static-analysis research while
reviewing kernel code.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/cve-2026-98480</guid>
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