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CVE-2024-26823

irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems

MEDIUM
5.5
CVSS Score
Published: April 17, 2024 at 09:43 AM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems While refactoring the way the ITSs are probed, the handling of quirks applicable to ACPI-based platforms was lost. As a result, systems such as HIP07 lose their GICv4 functionnality, and some other may even fail to boot, unless they are configured to boot with DT. Move the enabling of quirks into its_probe_one(), making it common to all firmware implementations.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.6 ≤ v < 6.6.186.6 ≤ v < 6.7.66.6 ≤ v < 6.86.7 ≤ v < 6.7.66.8 rc16.8 rc26.8 rc36.8 rc49585a495ac936049dba141e8f9d99159ca06d46a
Vendor states this is fixed in 4c60c611441f1f1e5de8e00e98ee5a4970778a00 (fixed)
Vendor states this is fixed in 8b02da04ad978827e5ccd675acf170198f747a7a (fixed)
Vendor states this is fixed in 91a80fff3eeed928b6fba21271f6a9719b22a5d8 (fixed)
Vendor states this is fixed in 6.6 (unaffected)
Vendor states this is fixed in 6.6.18 (unaffected)
Vendor states this is fixed in 6.7.6 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4c60c611441f1f1e5de8e00e98ee5a4970778a00
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8b02da04ad978827e5ccd675acf170198f747a7a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/91a80fff3eeed928b6fba21271f6a9719b22a5d8

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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