# CVE-2023-53043: linux: In the Linux kernel, the following vulnerability has been resolved:  arm64: dts: qcom: sc7280: Mark PCIe controller a...

CVE-2023-53043 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53043, released May 2, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-53043
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 2, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  arm64: dts: qcom: sc7280: Mark PCIe controller as cache coherent  If the controller is not marked as cache coherent, then kernel will try to ensure coherency during dma-ops and that may cause data corruption. So, mark the PCIe node as dma-coherent as the devices on PCIe bus are cache coherent.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.25-1 | [DEBIAN-CVE-2023-53043](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53043.md) | May 2, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.25-1 | [DEBIAN-CVE-2023-53043](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53043.md) | May 2, 2025 |
| Linux | linux Debian 14 | 6.1.25-1 | [DEBIAN-CVE-2023-53043](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53043.md) | May 2, 2025 |

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Data as of 2026-11-09T19:38:12Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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