CVE-2026-80732
ata: pata_sl82c105: fix bridge revision use-after-free
Description
In the Linux kernel, the following vulnerability has been resolved: ata: pata_sl82c105: fix bridge revision use-after-free pci_get_slot() returns a referenced PCI device. Commit 44c10138fd4b ("PCI: Change all drivers to use pci_device->revision") replaced a configuration-space read with direct access to the cached revision field, but left that access after pci_dev_put(). The bridge may therefore be freed before its revision is read. Read the revision before dropping the reference.
INFO
Published Date :
Sept. 3, 2026, 8:21 a.m.
Last Modified :
Sept. 3, 2026, 8:21 a.m.
Remotely Exploit :
No
Source :
Linux
Solution
- Read the revision before dropping the reference.
- Apply the kernel patch to fix the memory corruption.
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