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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
    <description>Contains only the most 10 recent entries.</description>
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    <lastBuildDate>Wed, 30 Sep 2026 17:32:51 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-23444 — wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-23444</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;wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure&lt;/p&gt;
&lt;p&gt;ieee80211_tx_prepare_skb() has three error paths, but only two of them
free the skb. The first error path (ieee80211_tx_prepare() returning
TX_DROP) does not free it, while invoke_tx_handlers() failure and the
fragmentation check both do.&lt;/p&gt;
&lt;p&gt;Add kfree_skb() to the first error path so all three are consistent,
and remove the now-redundant frees in callers (ath9k, mt76,
mac80211_hwsim) to avoid double-free.&lt;/p&gt;
&lt;p&gt;Document the skb ownership guarantee in the function&amp;#39;s kdoc.&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;wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure&lt;/p&gt;
&lt;p&gt;ieee80211_tx_prepare_skb() has three error paths, but only two of them
free the skb. The first error path (ieee80211_tx_prepare() returning
TX_DROP) does not free it, while invoke_tx_handlers() failure and the
fragmentation check both do.&lt;/p&gt;
&lt;p&gt;Add kfree_skb() to the first error path so all three are consistent,
and remove the now-redundant frees in callers (ath9k, mt76,
mac80211_hwsim) to avoid double-free.&lt;/p&gt;
&lt;p&gt;Document the skb ownership guarantee in the function&amp;#39;s kdoc.&lt;/p&gt;</content:encoded>
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