CVE & CISA-KEV Catalog

CVE-2023-52693

MEDIUM
5.5
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
linuxDebian
Fixed in:5.10.209-1CVE-2023-52693
Fixed in:6.1.76-1CVE-2023-52693
Fixed in:6.6.15-1CVE-2023-52693
Fixed in:6.6.15-1CVE-2023-52693
linuxUbuntu
Fixed in:6.5.0-41.41USN-6818-1
linux-awsUbuntu
Fixed in:6.5.0-1021.21USN-6819-2
linux-azureUbuntu
Fixed in:6.5.0-1022.23USN-6819-1
linux-azure-6.5Ubuntu
Fixed in:6.5.0-1022.23~22.04.1USN-6819-1
linux-gcpUbuntu
Fixed in:6.5.0-1022.24USN-6818-1
linux-gcp-6.5Ubuntu
Fixed in:6.5.0-1022.24~22.04.1USN-6818-1
linux-hwe-6.5Ubuntu
Fixed in:6.5.0-41.41~22.04.2USN-6818-4
linux-image-6.5.0-1015-starfiveUbuntu
Fixed in:6.5.0-1015.16~22.04.1USN-6819-1
Fixed in:6.5.0-1015.16USN-6819-1
linux-image-6.5.0-1017-laptopUbuntu
Fixed in:6.5.0-1017.20USN-6818-2
linux-image-6.5.0-1018-raspiUbuntu
Fixed in:6.5.0-1018.21USN-6818-1
linux-image-6.5.0-1021-awsUbuntu
Fixed in:6.5.0-1021.21USN-6819-2
linux-image-6.5.0-1021-nvidiaUbuntu
Fixed in:6.5.0-1021.22USN-6818-3
linux-image-6.5.0-1021-nvidia-64kUbuntu
Fixed in:6.5.0-1021.22USN-6818-3
linux-image-6.5.0-1022-azureUbuntu
Fixed in:6.5.0-1022.23~22.04.1USN-6819-1
Fixed in:6.5.0-1022.23USN-6819-1
linux-image-6.5.0-1022-azure-fdeUbuntu
Fixed in:6.5.0-1022.23~22.04.1USN-6819-1
Fixed in:6.5.0-1022.23USN-6819-1
linux-image-6.5.0-1022-gcpUbuntu
Fixed in:6.5.0-1022.24~22.04.1USN-6818-1
Fixed in:6.5.0-1022.24USN-6818-1
linux-image-6.5.0-1024-oemUbuntu
Fixed in:6.5.0-1024.25USN-6819-3
linux-image-6.5.0-1024-oracleUbuntu
Fixed in:6.5.0-1024.24~22.04.1USN-6819-4
Fixed in:6.5.0-1024.24USN-6819-2
linux-image-6.5.0-1024-oracle-64kUbuntu
Fixed in:6.5.0-1024.24~22.04.1USN-6819-4
Fixed in:6.5.0-1024.24USN-6819-2
linux-image-6.5.0-41-genericUbuntu
Fixed in:6.5.0-41.41~22.04.2USN-6818-4
Fixed in:6.5.0-41.41USN-6818-1
linux-image-6.5.0-41-generic-64kUbuntu
Fixed in:6.5.0-41.41~22.04.2USN-6818-4
Fixed in:6.5.0-41.41USN-6818-1
linux-image-6.5.0-41-lowlatencyUbuntu
Fixed in:6.5.0-41.41.1~22.04.1USN-6818-1
Fixed in:6.5.0-41.41.1USN-6818-1
linux-image-6.5.0-41-lowlatency-64kUbuntu
Fixed in:6.5.0-41.41.1~22.04.1USN-6818-1
Fixed in:6.5.0-41.41.1USN-6818-1
linux-image-awsUbuntu
Fixed in:6.5.0.1021.21USN-6819-2
linux-image-azureUbuntu
Fixed in:6.5.0.1022.23~22.04.1USN-6819-1
Fixed in:6.5.0.1022.26USN-6819-1
linux-image-azure-fdeUbuntu
Fixed in:6.5.0.1022.23~22.04.1USN-6819-1
Fixed in:6.5.0.1022.26USN-6819-1
linux-image-gcpUbuntu
Fixed in:6.5.0.1022.24~22.04.1USN-6818-1
Fixed in:6.5.0.1022.24USN-6818-1
linux-image-genericUbuntu
Fixed in:6.5.0.41.41USN-6818-1
linux-image-generic-64kUbuntu
Fixed in:6.5.0.41.41USN-6818-1
linux-image-generic-64k-hwe-22.04Ubuntu
Fixed in:6.5.0.41.41~22.04.2USN-6818-4
linux-image-generic-hwe-22.04Ubuntu
Fixed in:6.5.0.41.41~22.04.2USN-6818-4
linux-image-generic-lpaeUbuntu
Fixed in:6.5.0.41.41USN-6818-1
linux-image-kvmUbuntu
Fixed in:6.5.0.41.41USN-6818-1
linux-image-laptop-23.10Ubuntu
Fixed in:6.5.0.1017.20USN-6818-2
linux-image-lowlatencyUbuntu
Fixed in:6.5.0.41.41.1USN-6818-1
linux-image-lowlatency-64kUbuntu
Fixed in:6.5.0.41.41.1USN-6818-1
linux-image-lowlatency-64k-hwe-22.04Ubuntu
Fixed in:6.5.0.41.41.1~22.04.1USN-6818-1
linux-image-lowlatency-hwe-22.04Ubuntu
Fixed in:6.5.0.41.41.1~22.04.1USN-6818-1
linux-image-nvidia-6.5Ubuntu
Fixed in:6.5.0.1021.29USN-6818-3
linux-image-nvidia-64k-6.5Ubuntu
Fixed in:6.5.0.1021.29USN-6818-3
linux-image-nvidia-64k-hwe-22.04Ubuntu
Fixed in:6.5.0.1021.29USN-6818-3
linux-image-nvidia-hwe-22.04Ubuntu
Fixed in:6.5.0.1021.29USN-6818-3
linux-image-oem-22.04Ubuntu
Fixed in:6.5.0.1024.26USN-6819-3
linux-image-oem-22.04aUbuntu
Fixed in:6.5.0.1024.26USN-6819-3
linux-image-oem-22.04bUbuntu
Fixed in:6.5.0.1024.26USN-6819-3
linux-image-oem-22.04cUbuntu
Fixed in:6.5.0.1024.26USN-6819-3
linux-image-oem-22.04dUbuntu
Fixed in:6.5.0.1024.26USN-6819-3
linux-image-oracleUbuntu
Fixed in:6.5.0.1024.24~22.04.1USN-6819-4
Fixed in:6.5.0.1024.26USN-6819-2
linux-image-oracle-64kUbuntu
Fixed in:6.5.0.1024.24~22.04.1USN-6819-4
Fixed in:6.5.0.1024.26USN-6819-2
linux-image-raspiUbuntu
Fixed in:6.5.0.1018.19USN-6818-1
linux-image-raspi-nolpaeUbuntu
Fixed in:6.5.0.1018.19USN-6818-1
linux-image-starfiveUbuntu
Fixed in:6.5.0.1015.16~22.04.1USN-6819-1
Fixed in:6.5.0.1015.17USN-6819-1
linux-image-virtualUbuntu
Fixed in:6.5.0.41.41USN-6818-1
linux-image-virtual-hwe-22.04Ubuntu
Fixed in:6.5.0.41.41~22.04.2USN-6818-4
linux-laptopUbuntu
Fixed in:6.5.0-1017.20USN-6818-2
linux-lowlatencyUbuntu
Fixed in:6.5.0-41.41.1USN-6818-1
linux-lowlatency-hwe-6.5Ubuntu
Fixed in:6.5.0-41.41.1~22.04.1USN-6818-1
linux-nvidia-6.5Ubuntu
Fixed in:6.5.0-1021.22USN-6818-3
linux-oem-6.5Ubuntu
Fixed in:6.5.0-1024.25USN-6819-3
linux-oracleUbuntu
Fixed in:6.5.0-1024.24USN-6819-2
linux-oracle-6.5Ubuntu
Fixed in:6.5.0-1024.24~22.04.1USN-6819-4
linux-raspiUbuntu
Fixed in:6.5.0-1018.21USN-6818-1
linux-starfiveUbuntu
Fixed in:6.5.0-1015.16USN-6819-1
linux-starfive-6.5Ubuntu
Fixed in:6.5.0-1015.16~22.04.1USN-6819-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.26%probability of exploitation in 30 days
17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-17.