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Message-ID: <2025091553-CVE-2023-53164-3a5d@gregkh> Date: Mon, 15 Sep 2025 16:02:18 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2023-53164: irqchip/ti-sci: Fix refcount leak in ti_sci_intr_irq_domain_probe From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: irqchip/ti-sci: Fix refcount leak in ti_sci_intr_irq_domain_probe of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak. The Linux kernel CVE team has assigned CVE-2023-53164 to this issue. Affected and fixed versions =========================== Issue introduced in 5.2 with commit cd844b0715ceda3287d1fa8e5d8e1b25a85c9b0f and fixed in 5.4.235 with commit 07fceab32096c1290b491f2fcaace03f78e2db37 Issue introduced in 5.2 with commit cd844b0715ceda3287d1fa8e5d8e1b25a85c9b0f and fixed in 5.10.173 with commit df8d3536b660c6c6f6b25fa8b157e9b38ad78142 Issue introduced in 5.2 with commit cd844b0715ceda3287d1fa8e5d8e1b25a85c9b0f and fixed in 5.15.99 with commit 856fc2195494d1175ada0f1f46f92c5b28ce12eb Issue introduced in 5.2 with commit cd844b0715ceda3287d1fa8e5d8e1b25a85c9b0f and fixed in 6.1.16 with commit a0d91a48e1a020fb636f0fcaf44672f123bb0799 Issue introduced in 5.2 with commit cd844b0715ceda3287d1fa8e5d8e1b25a85c9b0f and fixed in 6.2.3 with commit 4ae40c20f1519e1767ba01609abc7e8d6485fc0c Issue introduced in 5.2 with commit cd844b0715ceda3287d1fa8e5d8e1b25a85c9b0f and fixed in 6.3 with commit 02298b7bae12936ca313975b02e7f98b06670d37 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-2023-53164 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: drivers/irqchip/irq-ti-sci-intr.c 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/07fceab32096c1290b491f2fcaace03f78e2db37 https://git.kernel.org/stable/c/df8d3536b660c6c6f6b25fa8b157e9b38ad78142 https://git.kernel.org/stable/c/856fc2195494d1175ada0f1f46f92c5b28ce12eb https://git.kernel.org/stable/c/a0d91a48e1a020fb636f0fcaf44672f123bb0799 https://git.kernel.org/stable/c/4ae40c20f1519e1767ba01609abc7e8d6485fc0c https://git.kernel.org/stable/c/02298b7bae12936ca313975b02e7f98b06670d37
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