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kernel: ALSA: bcd2000: Fix a UAF bug on the error path of probing

🗓️ 04 Dec 2025 12:50:07Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 21 Views

ALSA bcd2000 fix UAF on error path during probing by calling usb_kill_urb before usb_free_urb.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.4x86_64bpftool4.18.0-305.179.1.el8_4bpftool-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64bpftool-debuginfo4.18.0-305.179.1.el8_4bpftool-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel4.18.0-305.179.1.el8_4kernel-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4noarchkernel-abi-stablelists4.18.0-305.179.1.el8_4kernel-abi-stablelists-4.18.0-305.179.1.el8_4.noarch.rpm
Red Hat Enterprise Linux8.4x86_64kernel-core4.18.0-305.179.1.el8_4kernel-core-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug4.18.0-305.179.1.el8_4kernel-debug-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-core4.18.0-305.179.1.el8_4kernel-debug-core-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-debuginfo4.18.0-305.179.1.el8_4kernel-debug-debuginfo-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-devel4.18.0-305.179.1.el8_4kernel-debug-devel-4.18.0-305.179.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4x86_64kernel-debug-modules4.18.0-305.179.1.el8_4kernel-debug-modules-4.18.0-305.179.1.el8_4.x86_64.rpm
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19 Aug 2026 21:05Current
7High risk
Vulners AI Score7
CVSS 3.17.8
EPSS0.0024
21