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In the Linux kernel, the following vulnerability has been resolved:
ALSA: bcd2000: Fix a UAF bug on the error path of probing
When the driver fails in snd_card_register() at probe time, it will free the 'bcd2k->midi_out_urb' before killing it, which may cause a UAF bug.
The following log can reveal it:
[ 50.727020] BUG: KASAN: use-after-free in bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000] [ 50.727623] Read of size 8 at addr ffff88810fab0e88 by task swapper/4/0 [ 50.729530] Call Trace: [ 50.732899] bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000]
Fix this by adding usb_kill_urb() before usb_free_urb().
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jun 20, 2025 | Jun 20, 2025 |
| Dell Powerstore Dsa2025429 | — | Upgrade Dell PowerStoreOS to the latest version | Dec 3, 2025 | Dec 2, 2025 |
| Dell Powerstore Dsa2026039 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Jan 6, 2026 |
| Oracle_linux | — | Upgrade kernel | Oct 22, 2025 | Jun 18, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 18, 2025 |
| Ubuntu | — | Upgrade linux-raspi-5.4Upgrade linux-gcp-5.15Upgrade linux-gcp-4.15Upgrade linux-iotUpgrade linux-nvidiaUpgrade linux-aws-fipsUpgrade linux-azure-4.15Upgrade linux-gcp-fipsUpgrade linux-azure-fdeUpgrade linux-oracleUpgrade linux-hweUpgrade linux-intel-iotg-5.15Upgrade linux-azure-5.15Upgrade linux-gkeopUpgrade linux-awsUpgrade linux-azure-5.4Upgrade linux-gcp-5.4Upgrade linux-kvmUpgrade linux-azureUpgrade linux-ibmUpgrade linux-hwe-5.4Upgrade linux-realtimeUpgrade linux-azure-fipsUpgrade linux-hwe-5.15Upgrade linux-raspiUpgrade linuxUpgrade linux-intel-iotgUpgrade linux-lowlatency-hwe-5.15Upgrade linux-bluefieldUpgrade linux-aws-5.4Upgrade linux-fipsUpgrade linux-aws-5.15Upgrade linux-gkeUpgrade linux-gcpUpgrade linux-oracle-5.15Upgrade linux-lowlatencyUpgrade linux-oracle-5.4Upgrade linux-ibm-5.4Upgrade linux-riscv-5.15Upgrade linux-aws-hwe | Jun 26, 2025 | Jun 18, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jun 18, 2025 |
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