https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 22:17:17 +0000 https://vulnerability.circl.lu/vuln/cve-2026-89498 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>orangefs: fix double-free of trailer_buf on readdir copy failure</p> <p>On a readdir downcall, orangefs_devreq_write_iter() frees op-&gt;downcall.trailer_buf with vfree() when copy_from_iter_full() fails, but does not clear the pointer before goto Efault. The waiter in do_readdir() is then woken with a negative status and frees the same pointer again on its r &lt; 0 path, causing a deterministic double-free. A client holding /dev/pvfs2-req triggers it by sending a readdir downcall whose declared trailer_size exceeds the bytes it supplies.</p> <p>Clear the pointer after freeing so the readdir-side vfree() becomes a no-op.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>orangefs: fix double-free of trailer_buf on readdir copy failure</p> <p>On a readdir downcall, orangefs_devreq_write_iter() frees op-&gt;downcall.trailer_buf with vfree() when copy_from_iter_full() fails, but does not clear the pointer before goto Efault. The waiter in do_readdir() is then woken with a negative status and frees the same pointer again on its r &lt; 0 path, causing a deterministic double-free. A client holding /dev/pvfs2-req triggers it by sending a readdir downcall whose declared trailer_size exceeds the bytes it supplies.</p> <p>Clear the pointer after freeing so the readdir-side vfree() becomes a no-op.</p> https://vulnerability.circl.lu/vuln/cve-2026-89498