| From bippy-5f407fcff5a0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2022-49466: regulator: scmi: Fix refcount leak in scmi_regulator_probe |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| regulator: scmi: Fix refcount leak in scmi_regulator_probe |
| |
| of_find_node_by_name() returns a node pointer with refcount |
| incremented, we should use of_node_put() on it when done. |
| Add missing of_node_put() to avoid refcount leak. |
| |
| The Linux kernel CVE team has assigned CVE-2022-49466 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 5.11 with commit 0fbeae70ee7ce98e18a47337cd1f205dd88589e9 and fixed in 5.15.46 with commit 9ebbfa73d69909b7c737f599fd4ebd42318fc881 |
| Issue introduced in 5.11 with commit 0fbeae70ee7ce98e18a47337cd1f205dd88589e9 and fixed in 5.17.14 with commit 299a002161c7bfb72e99ba45e5b660aecc344ea0 |
| Issue introduced in 5.11 with commit 0fbeae70ee7ce98e18a47337cd1f205dd88589e9 and fixed in 5.18.3 with commit 4a59c763ef9b68c711dc2fd2ef4a6648da5480ee |
| Issue introduced in 5.11 with commit 0fbeae70ee7ce98e18a47337cd1f205dd88589e9 and fixed in 5.19 with commit 68d6c8476fd4f448e70e0ab31ff972838ac41dae |
| |
| 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-2022-49466 |
| 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/regulator/scmi-regulator.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/9ebbfa73d69909b7c737f599fd4ebd42318fc881 |
| https://git.kernel.org/stable/c/299a002161c7bfb72e99ba45e5b660aecc344ea0 |
| https://git.kernel.org/stable/c/4a59c763ef9b68c711dc2fd2ef4a6648da5480ee |
| https://git.kernel.org/stable/c/68d6c8476fd4f448e70e0ab31ff972838ac41dae |
