In the Linux kernel, the following vulnerability has been resolved:
ALSA: pcm: oss: Fix setup list UAF on proc write error
snd_pcm_oss_proc_write() links a newly allocated setup entry into the OSS setup list before duplicating the task name. If the task-name allocation fails, the error path frees the already linked entry and leaves setup_list pointing at freed memory.
A later OSS device open can then walk the stale list entry in snd_pcm_oss_look_for_setup() and dereference freed memory.
Allocate the task name and initialize the setup entry before publishing the entry on setup_list. Also fetch the initial proc read iterator only after taking setup_mutex, so all setup_list traversal follows the same list lifetime rules.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Aug 10, 2026 | Jul 19, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-64kUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-oracle-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-gcp-64kUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-nvidia-7.0Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-raspiUpgrade linux-image-raspi-realtimeUpgrade linux-image-ibmUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-aws-64kUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1009-awsUpgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-ibm-7.0Upgrade linux-image-7.0.0-1010-azureUpgrade linux-image-azureUpgrade linux-image-gcpUpgrade linux-image-nvidiaUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-oracle-7.0Upgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-aws-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-awsUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-azure-fde-7.0Upgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-raspi-7.0Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-azure-7.0Upgrade linux-image-oracleUpgrade linux-image-7.0.0-1009-azure-fde | Jul 21, 2026 | Jul 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 3, 2026 | Jul 19, 2026 |
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