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    <title>Most recent entries from all</title>
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    <lastBuildDate>Sun, 04 Oct 2026 11:06:47 +0000</lastBuildDate>
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      <title>CVE-2025-22087 — bpf: Fix array bounds error with may_goto</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-22087</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;bpf: Fix array bounds error with may_goto&lt;/p&gt;
&lt;p&gt;may_goto uses an additional 8 bytes on the stack, which causes the
interpreters[] array to go out of bounds when calculating index by
stack_size.&lt;/p&gt;
&lt;p&gt;1. If a BPF program is rewritten, re-evaluate the stack size. For non-JIT
cases, reject loading directly.&lt;/p&gt;
&lt;p&gt;2. For non-JIT cases, calculating interpreters[idx] may still cause
out-of-bounds array access, and just warn about it.&lt;/p&gt;
&lt;p&gt;3. For jit_requested cases, the execution of bpf_func also needs to be
warned. So move the definition of function __bpf_prog_ret0_warn out of
the macro definition CONFIG_BPF_JIT_ALWAYS_ON.&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;bpf: Fix array bounds error with may_goto&lt;/p&gt;
&lt;p&gt;may_goto uses an additional 8 bytes on the stack, which causes the
interpreters[] array to go out of bounds when calculating index by
stack_size.&lt;/p&gt;
&lt;p&gt;1. If a BPF program is rewritten, re-evaluate the stack size. For non-JIT
cases, reject loading directly.&lt;/p&gt;
&lt;p&gt;2. For non-JIT cases, calculating interpreters[idx] may still cause
out-of-bounds array access, and just warn about it.&lt;/p&gt;
&lt;p&gt;3. For jit_requested cases, the execution of bpf_func also needs to be
warned. So move the definition of function __bpf_prog_ret0_warn out of
the macro definition CONFIG_BPF_JIT_ALWAYS_ON.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2025-22087</guid>
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