https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 13:40:33 +0000 https://vulnerability.circl.lu/vuln/cve-2026-90323 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ublk: validate auto buf reg before taking uring_cmd</p> <p>With UBLK_F_AUTO_BUF_REG, invalid sqe-&gt;addr can fail after ublk_fill_io_cmd() has set UBLK_IO_FLAG_ACTIVE. The uring_cmd is completed while the tag stays active, which can hang teardown.</p> <p>Split validation from buffer apply so the check has no side effects, then take the uring_cmd and store the already-validated buffer. Apply the same order in FETCH so io-&gt;buf is not written before __ublk_fetch() state checks.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ublk: validate auto buf reg before taking uring_cmd</p> <p>With UBLK_F_AUTO_BUF_REG, invalid sqe-&gt;addr can fail after ublk_fill_io_cmd() has set UBLK_IO_FLAG_ACTIVE. The uring_cmd is completed while the tag stays active, which can hang teardown.</p> <p>Split validation from buffer apply so the check has no side effects, then take the uring_cmd and store the already-validated buffer. Apply the same order in FETCH so io-&gt;buf is not written before __ublk_fetch() state checks.</p> https://vulnerability.circl.lu/vuln/cve-2026-90323