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    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Wed, 30 Sep 2026 10:09:08 +0000</lastBuildDate>
    <item>
      <title>CVE-2022-49277 — jffs2: fix memory leak in jffs2_do_mount_fs</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2022-49277</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;jffs2: fix memory leak in jffs2_do_mount_fs&lt;/p&gt;
&lt;p&gt;If jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error,
we can observe the following kmemleak report:&lt;/p&gt;
&lt;p&gt;--------------------------------------------
unreferenced object 0xffff88811b25a640 (size 64):
  comm &amp;#34;mount&amp;#34;, pid 691, jiffies 4294957728 (age 71.952s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [&amp;lt;ffffffffa493be24&amp;gt;] kmem_cache_alloc_trace+0x584/0x880
    [&amp;lt;ffffffffa5423a06&amp;gt;] jffs2_sum_init+0x86/0x130
    [&amp;lt;ffffffffa5400e58&amp;gt;] jffs2_do_mount_fs+0x798/0xac0
    [&amp;lt;ffffffffa540acf3&amp;gt;] jffs2_do_fill_super+0x383/0xc30
    [&amp;lt;ffffffffa540c00a&amp;gt;] jffs2_fill_super+0x2ea/0x4c0
    [...]
unreferenced object 0xffff88812c760000 (size 65536):
  comm &amp;#34;mount&amp;#34;, pid 691, jiffies 4294957728 (age 71.952s)
  hex dump (first 32 bytes):
    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................
    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................
  backtrace:
    [&amp;lt;ffffffffa493a449&amp;gt;] __kmalloc+0x6b9/0x910
    [&amp;lt;ffffffffa5423a57&amp;gt;] jffs2_sum_init+0xd7/0x130
    [&amp;lt;ffffffffa5400e58&amp;gt;] jffs2_do_mount_fs+0x798/0xac0
    [&amp;lt;ffffffffa540acf3&amp;gt;] jffs2_do_fill_super+0x383/0xc30
    [&amp;lt;ffffffffa540c00a&amp;gt;] jffs2_fill_super+0x2ea/0x4c0
    [...]
--------------------------------------------&lt;/p&gt;
&lt;p&gt;This is because the resources allo…&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;jffs2: fix memory leak in jffs2_do_mount_fs&lt;/p&gt;
&lt;p&gt;If jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error,
we can observe the following kmemleak report:&lt;/p&gt;
&lt;p&gt;--------------------------------------------
unreferenced object 0xffff88811b25a640 (size 64):
  comm &amp;#34;mount&amp;#34;, pid 691, jiffies 4294957728 (age 71.952s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [&amp;lt;ffffffffa493be24&amp;gt;] kmem_cache_alloc_trace+0x584/0x880
    [&amp;lt;ffffffffa5423a06&amp;gt;] jffs2_sum_init+0x86/0x130
    [&amp;lt;ffffffffa5400e58&amp;gt;] jffs2_do_mount_fs+0x798/0xac0
    [&amp;lt;ffffffffa540acf3&amp;gt;] jffs2_do_fill_super+0x383/0xc30
    [&amp;lt;ffffffffa540c00a&amp;gt;] jffs2_fill_super+0x2ea/0x4c0
    [...]
unreferenced object 0xffff88812c760000 (size 65536):
  comm &amp;#34;mount&amp;#34;, pid 691, jiffies 4294957728 (age 71.952s)
  hex dump (first 32 bytes):
    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................
    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................
  backtrace:
    [&amp;lt;ffffffffa493a449&amp;gt;] __kmalloc+0x6b9/0x910
    [&amp;lt;ffffffffa5423a57&amp;gt;] jffs2_sum_init+0xd7/0x130
    [&amp;lt;ffffffffa5400e58&amp;gt;] jffs2_do_mount_fs+0x798/0xac0
    [&amp;lt;ffffffffa540acf3&amp;gt;] jffs2_do_fill_super+0x383/0xc30
    [&amp;lt;ffffffffa540c00a&amp;gt;] jffs2_fill_super+0x2ea/0x4c0
    [...]
--------------------------------------------&lt;/p&gt;
&lt;p&gt;This is because the resources allo…&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2022-49277</guid>
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