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Message-ID: <2025022625-CVE-2022-49242-3bd3@gregkh> Date: Wed, 26 Feb 2025 02:57:27 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-49242: ASoC: mxs: Fix error handling in mxs_sgtl5000_probe Description =========== In the Linux kernel, the following vulnerability has been resolved: ASoC: mxs: Fix error handling in mxs_sgtl5000_probe This function only calls of_node_put() in the regular path. And it will cause refcount leak in error paths. For example, when codec_np is NULL, saif_np[0] and saif_np[1] are not NULL, it will cause leaks. of_node_put() will check if the node pointer is NULL, so we can call it directly to release the refcount of regular pointers. The Linux kernel CVE team has assigned CVE-2022-49242 to this issue. Affected and fixed versions =========================== Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 4.9.311 with commit f16ad2c0e22687f80e5981c67374023f51c204b9 Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 4.14.276 with commit 790d2628e3fcc819d8f5572eb5615113fb2e727a Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 4.19.238 with commit f8d38056bcd220ea6f0802a5586d1a12ebcce849 Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 5.4.189 with commit 67e12f1cb2f97468c12b59e21975eaa0f332e7d2 Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 5.10.110 with commit 86b6cf989437e694fd0a15782b5a513853a739e0 Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 5.15.33 with commit 44acdaf7acb60054d872bed18ce0e7db8ce900ce Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 5.16.19 with commit d2923b48d99fe663cb93d8b481c93299fcd68656 Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 5.17.2 with commit 8d880226c86f37624e2a5f3c6d92ac0ec3375f96 Issue introduced in 3.5 with commit e968194b45c4e8077dada75c5bae5660b37628fe and fixed in 5.18 with commit 6ae0a4d8fec551ec581d620f0eb1fe31f755551c 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-2022-49242 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: sound/soc/mxs/mxs-sgtl5000.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/f16ad2c0e22687f80e5981c67374023f51c204b9 https://git.kernel.org/stable/c/790d2628e3fcc819d8f5572eb5615113fb2e727a https://git.kernel.org/stable/c/f8d38056bcd220ea6f0802a5586d1a12ebcce849 https://git.kernel.org/stable/c/67e12f1cb2f97468c12b59e21975eaa0f332e7d2 https://git.kernel.org/stable/c/86b6cf989437e694fd0a15782b5a513853a739e0 https://git.kernel.org/stable/c/44acdaf7acb60054d872bed18ce0e7db8ce900ce https://git.kernel.org/stable/c/d2923b48d99fe663cb93d8b481c93299fcd68656 https://git.kernel.org/stable/c/8d880226c86f37624e2a5f3c6d92ac0ec3375f96 https://git.kernel.org/stable/c/6ae0a4d8fec551ec581d620f0eb1fe31f755551c
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