https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 06 Oct 2026 12:07:54 +0000 https://cve.radiocsirt.org/vuln/cve-2021-46928 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>parisc: Clear stale IIR value on instruction access rights trap</p> <p>When a trap 7 (Instruction access rights) occurs, this means the CPU couldn&#39;t execute an instruction due to missing execute permissions on the memory region. In this case it seems the CPU didn&#39;t even fetched the instruction from memory and thus did not store it in the cr19 (IIR) register before calling the trap handler. So, the trap handler will find some random old stale value in cr19.</p> <p>This patch simply overwrites the stale IIR value with a constant magic &#34;bad food&#34; value (0xbaadf00d), in the hope people don&#39;t start to try to understand the various random IIR values in trap 7 dumps.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>parisc: Clear stale IIR value on instruction access rights trap</p> <p>When a trap 7 (Instruction access rights) occurs, this means the CPU couldn&#39;t execute an instruction due to missing execute permissions on the memory region. In this case it seems the CPU didn&#39;t even fetched the instruction from memory and thus did not store it in the cr19 (IIR) register before calling the trap handler. So, the trap handler will find some random old stale value in cr19.</p> <p>This patch simply overwrites the stale IIR value with a constant magic &#34;bad food&#34; value (0xbaadf00d), in the hope people don&#39;t start to try to understand the various random IIR values in trap 7 dumps.</p> https://cve.radiocsirt.org/vuln/cve-2021-46928