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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-52693
HistoryMay 17, 2024 - 3:15 p.m.

CVE-2023-52693

2024-05-1715:15:20
Debian Security Bug Tracker
security-tracker.debian.org
4
linux kernel
acpi video
vulnerability
backlight
parent search

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.0%

In the Linux kernel, the following vulnerability has been resolved: ACPI: video: check for error while searching for backlight device parent If acpi_get_parent() called in acpi_video_dev_register_backlight() fails, for example, because acpi_ut_acquire_mutex() fails inside acpi_get_parent), this can lead to incorrect (uninitialized) acpi_parent handle being passed to acpi_get_pci_dev() for detecting the parent pci device. Check acpi_get_parent() result and set parent device only in case of success. Found by Linux Verification Center (linuxtesting.org) with SVACE.

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.0%