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    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Mon, 28 Sep 2026 18:55:52 +0000</lastBuildDate>
    <item>
      <title>CVE-2022-50500 — netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2022-50500</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;netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed&lt;/p&gt;
&lt;p&gt;If some items in nsim_dev_resources_register() fail, memory leak will
occur. The following is the memory leak information.&lt;/p&gt;
&lt;p&gt;unreferenced object 0xffff888074c02600 (size 128):
  comm &amp;#34;echo&amp;#34;, pid 8159, jiffies 4294945184 (age 493.530s)
  hex dump (first 32 bytes):
    40 47 ea 89 ff ff ff ff 01 00 00 00 00 00 00 00  @G..............
    ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
  backtrace:
    [&amp;lt;0000000011a31c98&amp;gt;] kmalloc_trace+0x22/0x60
    [&amp;lt;0000000027384c69&amp;gt;] devl_resource_register+0x144/0x4e0
    [&amp;lt;00000000a16db248&amp;gt;] nsim_drv_probe+0x37a/0x1260
    [&amp;lt;000000007d1f448c&amp;gt;] really_probe+0x20b/0xb10
    [&amp;lt;00000000c416848a&amp;gt;] __driver_probe_device+0x1b3/0x4a0
    [&amp;lt;00000000077e0351&amp;gt;] driver_probe_device+0x49/0x140
    [&amp;lt;0000000054f2465a&amp;gt;] __device_attach_driver+0x18c/0x2a0
    [&amp;lt;000000008538f359&amp;gt;] bus_for_each_drv+0x151/0x1d0
    [&amp;lt;0000000038e09747&amp;gt;] __device_attach+0x1c9/0x4e0
    [&amp;lt;00000000dd86e533&amp;gt;] bus_probe_device+0x1d5/0x280
    [&amp;lt;00000000839bea35&amp;gt;] device_add+0xae0/0x1cb0
    [&amp;lt;000000009c2abf46&amp;gt;] new_device_store+0x3b6/0x5f0
    [&amp;lt;00000000fb823d7f&amp;gt;] bus_attr_store+0x72/0xa0
    [&amp;lt;000000007acc4295&amp;gt;] sysfs_kf_write+0x106/0x160
    [&amp;lt;000000005f50cb4d&amp;gt;] kernfs_fop_write_iter+0x3a8/0x5a0
    [&amp;lt;0000000075eb41bf&amp;gt;] vfs_write+0x8f0/0xc80&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;netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed&lt;/p&gt;
&lt;p&gt;If some items in nsim_dev_resources_register() fail, memory leak will
occur. The following is the memory leak information.&lt;/p&gt;
&lt;p&gt;unreferenced object 0xffff888074c02600 (size 128):
  comm &amp;#34;echo&amp;#34;, pid 8159, jiffies 4294945184 (age 493.530s)
  hex dump (first 32 bytes):
    40 47 ea 89 ff ff ff ff 01 00 00 00 00 00 00 00  @G..............
    ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
  backtrace:
    [&amp;lt;0000000011a31c98&amp;gt;] kmalloc_trace+0x22/0x60
    [&amp;lt;0000000027384c69&amp;gt;] devl_resource_register+0x144/0x4e0
    [&amp;lt;00000000a16db248&amp;gt;] nsim_drv_probe+0x37a/0x1260
    [&amp;lt;000000007d1f448c&amp;gt;] really_probe+0x20b/0xb10
    [&amp;lt;00000000c416848a&amp;gt;] __driver_probe_device+0x1b3/0x4a0
    [&amp;lt;00000000077e0351&amp;gt;] driver_probe_device+0x49/0x140
    [&amp;lt;0000000054f2465a&amp;gt;] __device_attach_driver+0x18c/0x2a0
    [&amp;lt;000000008538f359&amp;gt;] bus_for_each_drv+0x151/0x1d0
    [&amp;lt;0000000038e09747&amp;gt;] __device_attach+0x1c9/0x4e0
    [&amp;lt;00000000dd86e533&amp;gt;] bus_probe_device+0x1d5/0x280
    [&amp;lt;00000000839bea35&amp;gt;] device_add+0xae0/0x1cb0
    [&amp;lt;000000009c2abf46&amp;gt;] new_device_store+0x3b6/0x5f0
    [&amp;lt;00000000fb823d7f&amp;gt;] bus_attr_store+0x72/0xa0
    [&amp;lt;000000007acc4295&amp;gt;] sysfs_kf_write+0x106/0x160
    [&amp;lt;000000005f50cb4d&amp;gt;] kernfs_fop_write_iter+0x3a8/0x5a0
    [&amp;lt;0000000075eb41bf&amp;gt;] vfs_write+0x8f0/0xc80&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2022-50500</guid>
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