https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 05:35:05 +0000 https://vulnerability.circl.lu/vuln/cve-2026-90327 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>phonet: pep: do not write beyond optlen in getsockopt</p> <p>pep_getsockopt() clamps the reported length to the caller&#39;s buffer with min_t(), but then stores the value with put_user(val, (int __user *) optval), which always writes sizeof(int) bytes. A getsockopt() call with an optlen smaller than sizeof(int) thus reports the clamped length yet writes a full int, one to three bytes past the user buffer.</p> <p>Write the value with copy_to_user() bounded by len, so at most optlen bytes are copied, matching the length reported back to userspace.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>phonet: pep: do not write beyond optlen in getsockopt</p> <p>pep_getsockopt() clamps the reported length to the caller&#39;s buffer with min_t(), but then stores the value with put_user(val, (int __user *) optval), which always writes sizeof(int) bytes. A getsockopt() call with an optlen smaller than sizeof(int) thus reports the clamped length yet writes a full int, one to three bytes past the user buffer.</p> <p>Write the value with copy_to_user() bounded by len, so at most optlen bytes are copied, matching the length reported back to userspace.</p> https://vulnerability.circl.lu/vuln/cve-2026-90327