| 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-2022-48888: drm/msm/dpu: Fix memory leak in msm_mdss_parse_data_bus_icc_path |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/msm/dpu: Fix memory leak in msm_mdss_parse_data_bus_icc_path |
| |
| of_icc_get() alloc resources for path1, we should release it when not |
| need anymore. Early return when IS_ERR_OR_NULL(path0) may leak path1. |
| Defer getting path1 to fix this. |
| |
| Patchwork: https://patchwork.freedesktop.org/patch/514264/ |
| |
| The Linux kernel CVE team has assigned CVE-2022-48888 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 5.19 with commit b9364eed9232f3d2a846f68c2307eb25c93cc2d0 and fixed in 6.1.7 with commit c6fa1de83fd87267ab24359e6fa52f98f5cee3f9 |
| Issue introduced in 5.19 with commit b9364eed9232f3d2a846f68c2307eb25c93cc2d0 and fixed in 6.2 with commit 45dac1352b55b1d8cb17f218936b2bc2bc1fb4ee |
| |
| 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-2022-48888 |
| 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/gpu/drm/msm/msm_mdss.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/c6fa1de83fd87267ab24359e6fa52f98f5cee3f9 |
| https://git.kernel.org/stable/c/45dac1352b55b1d8cb17f218936b2bc2bc1fb4ee |
