media: b2c2: Fix use-after-free causing by irq_check_work in flexcop_pci_remove

...

EUVD-2025-34577

In the Linux kernel, the following vulnerability has been resolved: media: b2c2: Fix use-after-free causing by irqcheckwork in flexcoppciremove The original code uses canceldelayedwork in flexcoppciremove, which does not guarantee that the delayed work item irqcheckwork has fully completed if it...

CVE-2025-39996

In the Linux kernel, the following vulnerability has been resolved: media: b2c2: Fix use-after-free causing by irqcheckwork in flexcoppciremove The original code uses canceldelayedwork in flexcoppciremove, which does not guarantee that the delayed work item irqcheckwork has fully completed if it...

CVE-2025-39996

CVE-2025-39996 affects the Linux kernel media driver for B2C2 FlexCop PCI. The underlying issue is a use-after-free caused by cancel_delayed_work() in flexcop_pci_remove(), which may free flexcop_device while irq_check_work is still running. The mitigation is to replace cancel_delayed_work() with...