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Message-ID: <2025022620-CVE-2022-49652-0369@gregkh> Date: Wed, 26 Feb 2025 03:23:35 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-49652: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate Description =========== In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not needed anymore. Add missing of_node_put() in to fix this. The Linux kernel CVE team has assigned CVE-2022-49652 to this issue. Affected and fixed versions =========================== Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 4.9.323 with commit 452b9dfd7aca96befce22634fadb111737f22bbe Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 4.14.288 with commit 61b4ef19c346dc21ab1d4f39f5c412e3037b2bdc Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 4.19.252 with commit 3bd66010398871807c1cebacee07d60ded1b1402 Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 5.4.205 with commit b31ab132561c7f1b6459039152b8d09e44eb3565 Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 5.10.130 with commit 37147e22cd8dfc0412495cb361708836157a4486 Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 5.15.54 with commit cb9813d7eae917acd34436160a278b8b5d48ca53 Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 5.18.11 with commit b5a817f8d62e9e13280928f3756e54854ae4962e Issue introduced in 4.5 with commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e and fixed in 5.19 with commit c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a 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-2022-49652 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/dma/ti/dma-crossbar.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/452b9dfd7aca96befce22634fadb111737f22bbe https://git.kernel.org/stable/c/61b4ef19c346dc21ab1d4f39f5c412e3037b2bdc https://git.kernel.org/stable/c/3bd66010398871807c1cebacee07d60ded1b1402 https://git.kernel.org/stable/c/b31ab132561c7f1b6459039152b8d09e44eb3565 https://git.kernel.org/stable/c/37147e22cd8dfc0412495cb361708836157a4486 https://git.kernel.org/stable/c/cb9813d7eae917acd34436160a278b8b5d48ca53 https://git.kernel.org/stable/c/b5a817f8d62e9e13280928f3756e54854ae4962e https://git.kernel.org/stable/c/c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a
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