CVE-2026-80676

Drivers: hv: vmbus: use generic driver_override infrastructure

CVE-2026-80676 is fixed in 38 products on 1 platform, first by ALAS2023-2026-2057, released August 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0021
11th percentile

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, thus accessing the driver_override field without a lock, which can cause a UAF. Fix this by using the driver-core driver_override infrastructure taking care of proper locking internally. Note that calling match() from __driver_attach() without the device lock held is intentional. [1]

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
bpftool6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel-livepatch-6.12.100-125.179 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel-livepatch-6.18.41-94.142 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-devel · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-headers · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-tools · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-devel · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-headers · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-tools · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
linux · Debian 13.5 (trixie) 6.12.100-1 DEBIAN-CVE-2026-80676 Aug 29, 2026
linux · Debian 14 7.1.5-1 DEBIAN-CVE-2026-80676 Aug 29, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
perf6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
perf6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
python3-perf6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
python3-perf6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026

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