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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Thu, 01 Oct 2026 02:50:52 +0000</lastBuildDate>
    <item>
      <title>CVE-2025-37955 — virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-37955</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;virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()&lt;/p&gt;
&lt;p&gt;The selftests added to our CI by Bui Quang Minh recently reveals
that there is a mem leak on the error path of virtnet_xsk_pool_enable():&lt;/p&gt;
&lt;p&gt;unreferenced object 0xffff88800a68a000 (size 2048):
  comm &amp;#34;xdp_helper&amp;#34;, pid 318, jiffies 4294692778
  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 (crc 0):
    __kvmalloc_node_noprof+0x402/0x570
    virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)
    xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)
    xsk_bind+0x6a5/0x1ae0
    __sys_bind+0x15e/0x230
    __x64_sys_bind+0x72/0xb0
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f&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;virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()&lt;/p&gt;
&lt;p&gt;The selftests added to our CI by Bui Quang Minh recently reveals
that there is a mem leak on the error path of virtnet_xsk_pool_enable():&lt;/p&gt;
&lt;p&gt;unreferenced object 0xffff88800a68a000 (size 2048):
  comm &amp;#34;xdp_helper&amp;#34;, pid 318, jiffies 4294692778
  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 (crc 0):
    __kvmalloc_node_noprof+0x402/0x570
    virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)
    xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)
    xsk_bind+0x6a5/0x1ae0
    __sys_bind+0x15e/0x230
    __x64_sys_bind+0x72/0xb0
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2025-37955</guid>
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