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Message-ID: <2025050203-CVE-2023-53043-61cf@gregkh> Date: Fri, 2 May 2025 17:55:08 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2023-53043: arm64: dts: qcom: sc7280: Mark PCIe controller as cache coherent From: Greg Kroah-Hartman <gregkh@...nel.org> 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. The Linux kernel CVE team has assigned CVE-2023-53043 to this issue. Affected and fixed versions =========================== Issue introduced in 5.16 with commit 92e0ee9f83b3bc1d5644b1dc36eae730d1e8694d and fixed in 6.1.22 with commit 267b899375bf38944d915c9654d6eb434edad0ce Issue introduced in 5.16 with commit 92e0ee9f83b3bc1d5644b1dc36eae730d1e8694d and fixed in 6.2.9 with commit e43bba938e2c9104bb4f8bc417ac4d7bb29755e1 Issue introduced in 5.16 with commit 92e0ee9f83b3bc1d5644b1dc36eae730d1e8694d and fixed in 6.3 with commit 8a63441e83724fee1ef3fd37b237d40d90780766 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2023-53043 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: arch/arm64/boot/dts/qcom/sc7280.dtsi Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/267b899375bf38944d915c9654d6eb434edad0ce https://git.kernel.org/stable/c/e43bba938e2c9104bb4f8bc417ac4d7bb29755e1 https://git.kernel.org/stable/c/8a63441e83724fee1ef3fd37b237d40d90780766
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