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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Sat, 03 Oct 2026 11:46:17 +0000</lastBuildDate>
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      <title>CVE-2026-46100 — fs: afs: revert mmap_prepare() change</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-46100</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;fs: afs: revert mmap_prepare() change&lt;/p&gt;
&lt;p&gt;Partially reverts commit 9d5403b1036c (&amp;#34;fs: convert most other
generic_file_*mmap() users to .mmap_prepare()&amp;#34;).&lt;/p&gt;
&lt;p&gt;This is because the .mmap invocation establishes a refcount, but
.mmap_prepare is called at a point where a merge or an allocation failure
might happen after the call, which would leak the refcount increment.&lt;/p&gt;
&lt;p&gt;Functionality is being added to permit the use of .mmap_prepare in this
case, but in the interim, we need to fix this.&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;fs: afs: revert mmap_prepare() change&lt;/p&gt;
&lt;p&gt;Partially reverts commit 9d5403b1036c (&amp;#34;fs: convert most other
generic_file_*mmap() users to .mmap_prepare()&amp;#34;).&lt;/p&gt;
&lt;p&gt;This is because the .mmap invocation establishes a refcount, but
.mmap_prepare is called at a point where a merge or an allocation failure
might happen after the call, which would leak the refcount increment.&lt;/p&gt;
&lt;p&gt;Functionality is being added to permit the use of .mmap_prepare in this
case, but in the interim, we need to fix this.&lt;/p&gt;</content:encoded>
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