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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 19:13:19 +0000</lastBuildDate>
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      <title>CVE-2026-53210 — tee: shm: fix shm leak in register_shm_helper()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-53210</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;tee: shm: fix shm leak in register_shm_helper()&lt;/p&gt;
&lt;p&gt;register_shm_helper() allocates shm before calling
iov_iter_npages(). If iov_iter_npages() returns 0, the function
jumps to err_ctx_put and leaks shm.&lt;/p&gt;
&lt;p&gt;This can be triggered by TEE_IOC_SHM_REGISTER with
struct tee_ioctl_shm_register_data where length is 0.&lt;/p&gt;
&lt;p&gt;Jump to err_free_shm instead.&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;tee: shm: fix shm leak in register_shm_helper()&lt;/p&gt;
&lt;p&gt;register_shm_helper() allocates shm before calling
iov_iter_npages(). If iov_iter_npages() returns 0, the function
jumps to err_ctx_put and leaks shm.&lt;/p&gt;
&lt;p&gt;This can be triggered by TEE_IOC_SHM_REGISTER with
struct tee_ioctl_shm_register_data where length is 0.&lt;/p&gt;
&lt;p&gt;Jump to err_free_shm instead.&lt;/p&gt;</content:encoded>
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