https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 02 Oct 2026 17:13:05 +0000 https://cve.radiocsirt.org/vuln/bell-cve-2026-89736 <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-89736 https://cve.radiocsirt.org/vuln/certfr-2026-avi-1253 certfr-2026-avi-1253 https://cve.radiocsirt.org/vuln/certfr-2026-avi-1253 https://cve.radiocsirt.org/vuln/euvd-2026-367710 EUVD-2026-367710 https://cve.radiocsirt.org/vuln/euvd-2026-367710 https://cve.radiocsirt.org/vuln/fkie_cve-2026-89736 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>usb: gadget: u_audio: Fix use-after-free on sound card disconnect</p> <p>g_audio_cleanup() invokes snd_card_free_when_closed() to initiate sound card teardown and immediately frees the underlying struct snd_uac_chip context. However, snd_card_free_when_closed() returns asynchronously while ALSA control elements (kctls) remain open in userspace.</p> <p>When userspace control applications access or close these open file descriptors, kctl callbacks attempt to dereference kctl-&gt;private_data pointing to &amp;uac-&gt;c_prm or &amp;uac-&gt;p_prm within the freed uac structure, resulting in a use-after-free (UAF) memory corruption.</p> <p>Fix this issue by deferring the destruction of struct snd_uac_chip until all references to the ALSA sound card are released. Register a custom card-&gt;private_free callback (u_audio_card_free) during g_audio_setup() that frees uac and its associated playback/capture request and ring buffers only when the sound card reference count drops to zero.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>usb: gadget: u_audio: Fix use-after-free on sound card disconnect</p> <p>g_audio_cleanup() invokes snd_card_free_when_closed() to initiate sound card teardown and immediately frees the underlying struct snd_uac_chip context. However, snd_card_free_when_closed() returns asynchronously while ALSA control elements (kctls) remain open in userspace.</p> <p>When userspace control applications access or close these open file descriptors, kctl callbacks attempt to dereference kctl-&gt;private_data pointing to &amp;uac-&gt;c_prm or &amp;uac-&gt;p_prm within the freed uac structure, resulting in a use-after-free (UAF) memory corruption.</p> <p>Fix this issue by deferring the destruction of struct snd_uac_chip until all references to the ALSA sound card are released. Register a custom card-&gt;private_free callback (u_audio_card_free) during g_audio_setup() that frees uac and its associated playback/capture request and ring buffers only when the sound card reference count drops to zero.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-89736 https://cve.radiocsirt.org/vuln/ghsa-hjw3-qcfv-9g4p <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>usb: gadget: u_audio: Fix use-after-free on sound card disconnect</p> <p>g_audio_cleanup() invokes snd_card_free_when_closed() to initiate sound card teardown and immediately frees the underlying struct snd_uac_chip context. However, snd_card_free_when_closed() returns asynchronously while ALSA control elements (kctls) remain open in userspace.</p> <p>When userspace control applications access or close these open file descriptors, kctl callbacks attempt to dereference kctl-&gt;private_data pointing to &amp;uac-&gt;c_prm or &amp;uac-&gt;p_prm within the freed uac structure, resulting in a use-after-free (UAF) memory corruption.</p> <p>Fix this issue by deferring the destruction of struct snd_uac_chip until all references to the ALSA sound card are released. Register a custom card-&gt;private_free callback (u_audio_card_free) during g_audio_setup() that frees uac and its associated playback/capture request and ring buffers only when the sound card reference count drops to zero.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>usb: gadget: u_audio: Fix use-after-free on sound card disconnect</p> <p>g_audio_cleanup() invokes snd_card_free_when_closed() to initiate sound card teardown and immediately frees the underlying struct snd_uac_chip context. However, snd_card_free_when_closed() returns asynchronously while ALSA control elements (kctls) remain open in userspace.</p> <p>When userspace control applications access or close these open file descriptors, kctl callbacks attempt to dereference kctl-&gt;private_data pointing to &amp;uac-&gt;c_prm or &amp;uac-&gt;p_prm within the freed uac structure, resulting in a use-after-free (UAF) memory corruption.</p> <p>Fix this issue by deferring the destruction of struct snd_uac_chip until all references to the ALSA sound card are released. Register a custom card-&gt;private_free callback (u_audio_card_free) during g_audio_setup() that frees uac and its associated playback/capture request and ring buffers only when the sound card reference count drops to zero.</p> https://cve.radiocsirt.org/vuln/ghsa-hjw3-qcfv-9g4p https://cve.radiocsirt.org/vuln/msrc_cve-2026-89736 msrc_CVE-2026-89736 https://cve.radiocsirt.org/vuln/msrc_cve-2026-89736 https://cve.radiocsirt.org/vuln/opensuse-su-2026:11880-1 <p>kernel-devel-7.2.7-1.1 on GA media</p> <p>kernel-devel-7.2.7-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2026:11880-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-89736 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:Pro:18.04:LTS: linux-aws-5.4, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:Pro:18.04:LTS: linux-azure-5.4, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3 and 214 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_audio: Fix use-after-free on sound card disconnect g_audio_cleanup() invokes snd_card_free_when_closed() to initiate sound card teardown and immediately frees the underlying struct snd_uac_chip context. However, snd_card_free_when_closed() returns asynchronously while ALSA control elements (kctls) remain open in userspace. When userspace control applications access or close these open file descriptors, kctl callbacks attempt to dereference kctl-&gt;private_data pointing to &amp;uac-&gt;c_prm or &amp;uac-&gt;p_prm within the freed uac structure, resulting in a use-after-free (UAF) memory corruption. Fix this issue by deferring the destruction of struct snd_uac_chip until all references to the ALSA sound card are released. Register a custom card-&gt;private_free callback (u_audio_card_free) during g_audio_setup() that frees uac and its associated playback/capture request and ring buffers only when the sound card reference count drops to zero.</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:Pro:18.04:LTS: linux-aws-5.4, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:Pro:18.04:LTS: linux-azure-5.4, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3 and 214 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_audio: Fix use-after-free on sound card disconnect g_audio_cleanup() invokes snd_card_free_when_closed() to initiate sound card teardown and immediately frees the underlying struct snd_uac_chip context. However, snd_card_free_when_closed() returns asynchronously while ALSA control elements (kctls) remain open in userspace. When userspace control applications access or close these open file descriptors, kctl callbacks attempt to dereference kctl-&gt;private_data pointing to &amp;uac-&gt;c_prm or &amp;uac-&gt;p_prm within the freed uac structure, resulting in a use-after-free (UAF) memory corruption. Fix this issue by deferring the destruction of struct snd_uac_chip until all references to the ALSA sound card are released. Register a custom card-&gt;private_free callback (u_audio_card_free) during g_audio_setup() that frees uac and its associated playback/capture request and ring buffers only when the sound card reference count drops to zero.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-89736 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3321 <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Daten oder den Systemzustand zu manipulieren, Denial-of-Service-Zustände herbeizuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.</p> <p>Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Daten oder den Systemzustand zu manipulieren, Denial-of-Service-Zustände herbeizuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-3321