CVE-2026-80732

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < 1268ca9418e2217f2b60705cf4a280b689b26678affected
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < a626dfca96041842053cf2d1efceb436c4cd8dcfaffected
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < 5ef87b1b4656d675440ceab32a56e69ad958d3a1affected
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < fa0dca89b4fb0909ffda7b9ab6051af33270f95eaffected
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < dc711fb137b33c12e6ca22b6a9c9b9f21d49e4deaffected
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < a837deeaa37cc3f0e8c4e5c096787047f272c956affected
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < 56fd78c8c820f527f8003e379ab71004b2e79a44affected
LinuxLinux44c10138fd4bbc4b6d6bff0873c24902f2a9da65 < 7700a31039cdc6715cb6cce7e7a664ee4e945f67affected
LinuxLinux2.6.23affected
LinuxLinux0 < 2.6.23unaffected
LinuxLinux5.10.265 <= 5.10.*unaffected
LinuxLinux5.15.216 <= 5.15.*unaffected
LinuxLinux6.1.183 <= 6.1.*unaffected
LinuxLinux6.6.152 <= 6.6.*unaffected
LinuxLinux6.12.104 <= 6.12.*unaffected
LinuxLinux6.18.45 <= 6.18.*unaffected
LinuxLinux7.1.9 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References