https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 13:56:54 +0000 https://vulnerability.circl.lu/vuln/cve-2026-74502 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ALSA: ump: fix double free of out_cvts on rawmidi error</p> <p>snd_ump_attach_legacy_rawmidi() allocates the legacy conversion array ump-&gt;out_cvts and, on the snd_rawmidi_new() error path, frees it with kfree() but leaves ump-&gt;out_cvts pointing at the freed memory. When the endpoint is later torn down, snd_ump_endpoint_free() frees ump-&gt;out_cvts a second time, resulting in a double free.</p> <p>The host snd-usb-audio driver attaches the legacy rawmidi for any USB MIDI 2.0 (UMP) device, so a device that makes snd_rawmidi_new() fail reaches this path on enumeration.</p> <p>Clear ump-&gt;out_cvts after freeing it on the error path so it is not freed again during teardown.</p> <p>Discovered by XBOW, triaged by Baul Lee &lt;baul.lee@xbow.com&gt;</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ALSA: ump: fix double free of out_cvts on rawmidi error</p> <p>snd_ump_attach_legacy_rawmidi() allocates the legacy conversion array ump-&gt;out_cvts and, on the snd_rawmidi_new() error path, frees it with kfree() but leaves ump-&gt;out_cvts pointing at the freed memory. When the endpoint is later torn down, snd_ump_endpoint_free() frees ump-&gt;out_cvts a second time, resulting in a double free.</p> <p>The host snd-usb-audio driver attaches the legacy rawmidi for any USB MIDI 2.0 (UMP) device, so a device that makes snd_rawmidi_new() fail reaches this path on enumeration.</p> <p>Clear ump-&gt;out_cvts after freeing it on the error path so it is not freed again during teardown.</p> <p>Discovered by XBOW, triaged by Baul Lee &lt;baul.lee@xbow.com&gt;</p> https://vulnerability.circl.lu/vuln/cve-2026-74502