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Date: Mon, 25 Mar 2024 10:16:37 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2021-47161: spi: spi-fsl-dspi: Fix a resource leak in an error handling path Description =========== In the Linux kernel, the following vulnerability has been resolved: spi: spi-fsl-dspi: Fix a resource leak in an error handling path 'dspi_request_dma()' should be undone by a 'dspi_release_dma()' call in the error handling path of the probe function, as already done in the remove function The Linux kernel CVE team has assigned CVE-2021-47161 to this issue. Affected and fixed versions =========================== Issue introduced in 4.10 with commit 90ba37033cb9 and fixed in 4.14.241 with commit 10a089bae827 Issue introduced in 4.10 with commit 90ba37033cb9 and fixed in 4.19.199 with commit 00450ed03a17 Issue introduced in 4.10 with commit 90ba37033cb9 and fixed in 5.4.124 with commit 15d1cc4b4b58 Issue introduced in 4.10 with commit 90ba37033cb9 and fixed in 5.10.42 with commit fe6921e3b845 Issue introduced in 4.10 with commit 90ba37033cb9 and fixed in 5.12.9 with commit 12391be4724a Issue introduced in 4.10 with commit 90ba37033cb9 and fixed in 5.13 with commit 680ec0549a05 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-2021-47161 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/spi/spi-fsl-dspi.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/10a089bae827ec30ad9b6cb7048020a62fae0cfa https://git.kernel.org/stable/c/00450ed03a17143e2433b461a656ef9cd17c2f1d https://git.kernel.org/stable/c/15d1cc4b4b585f9a2ce72c52cca004d5d735bdf1 https://git.kernel.org/stable/c/fe6921e3b8451a537e01c031b8212366bb386e3e https://git.kernel.org/stable/c/12391be4724acc9269e1845ccbd881df37de4b56 https://git.kernel.org/stable/c/680ec0549a055eb464dce6ffb4bfb736ef87236e
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