CVE-2026-80732

ata: pata_sl82c105: fix bridge revision use-after-free

CVE-2026-80732 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-80732, released September 4, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0017

6th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 12.15 (bookworm)	6.1.187-1	DEBIAN-CVE-2026-80732	Sep 4, 2026
linux · Debian 13.5 (trixie)	6.12.105-1	DEBIAN-CVE-2026-80732	Sep 4, 2026
linux · Debian 14	7.1.9-1	DEBIAN-CVE-2026-80732	Sep 4, 2026
linux-6.12 · Debian 12.15 (bookworm)	6.12.107-1~deb12u1	DEBIAN-CVE-2026-80732	Sep 4, 2026

Details

Published
September 3, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80732

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