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    <lastBuildDate>Tue, 06 Oct 2026 06:26:17 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-43474 — fs: init flags_valid before calling vfs_fileattr_get</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-43474</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: init flags_valid before calling vfs_fileattr_get&lt;/p&gt;
&lt;p&gt;syzbot reported a uninit-value bug in [1].&lt;/p&gt;
&lt;p&gt;Similar to the &amp;#34;*get&amp;#34; context where the kernel&amp;#39;s internal file_kattr
structure is initialized before calling vfs_fileattr_get(), we should
use the same mechanism when using fa.&lt;/p&gt;
&lt;p&gt;[1]
BUG: KMSAN: uninit-value in fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517
 fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517
 vfs_fileattr_get fs/file_attr.c:94 [inline]
 __do_sys_file_getattr fs/file_attr.c:416 [inline]&lt;/p&gt;
&lt;p&gt;Local variable fa.i created at:
 __do_sys_file_getattr fs/file_attr.c:380 [inline]
 __se_sys_file_getattr+0x8c/0xbd0 fs/file_attr.c:372&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: init flags_valid before calling vfs_fileattr_get&lt;/p&gt;
&lt;p&gt;syzbot reported a uninit-value bug in [1].&lt;/p&gt;
&lt;p&gt;Similar to the &amp;#34;*get&amp;#34; context where the kernel&amp;#39;s internal file_kattr
structure is initialized before calling vfs_fileattr_get(), we should
use the same mechanism when using fa.&lt;/p&gt;
&lt;p&gt;[1]
BUG: KMSAN: uninit-value in fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517
 fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517
 vfs_fileattr_get fs/file_attr.c:94 [inline]
 __do_sys_file_getattr fs/file_attr.c:416 [inline]&lt;/p&gt;
&lt;p&gt;Local variable fa.i created at:
 __do_sys_file_getattr fs/file_attr.c:380 [inline]
 __se_sys_file_getattr+0x8c/0xbd0 fs/file_attr.c:372&lt;/p&gt;</content:encoded>
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