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CVE-2023-52561: arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-02 · updated 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved Adding a reserved memory region for the framebuffer memory (the splash memory region set up by the bootloader). It fixes a kernel panic (arm-smmu: Unhandled context fault at this particular memory region) reported on DB845c running v5.10.y.

Affected products

• Linux kernel: before 6.1.56; from 6.2 before 6.5.6 — fixed in 6.1.56, 6.5.6
• Linux: 5.3 — fixed in 6.6

How to fix

Upgrade to a fixed version: Linux kernel 6.1.56, 6.5.6; Linux 6.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/110e70fccce4f22b53986ae797d665ffb1950aa6
• https://git.kernel.org/stable/c/82dacd0ca0d9640723824026d6fdf773c02de1d2
• https://git.kernel.org/stable/c/dc1ab6577475b0460ba4261cd9caec37bd62ca0b
• https://git.kernel.org/stable/c/e6bdc8977543f340adc8f63ddd336805805aed28
• https://git.kernel.org/stable/c/f6ef99aa56089e9a2126648a56b93ac2004224e7
• https://git.kernel.org/stable/c/110e70fccce4f22b53986ae797d665ffb1950aa6
• https://git.kernel.org/stable/c/82dacd0ca0d9640723824026d6fdf773c02de1d2
• https://git.kernel.org/stable/c/dc1ab6577475b0460ba4261cd9caec37bd62ca0b

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