From bippy-d175d3acf727 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman To: Reply-to: , Subject: CVE-2021-47532: drm/msm/devfreq: Fix OPP refcnt leak Description =========== In the Linux kernel, the following vulnerability has been resolved: drm/msm/devfreq: Fix OPP refcnt leak The Linux kernel CVE team has assigned CVE-2021-47532 to this issue. Affected and fixed versions =========================== Issue introduced in 5.15 with commit 9bc95570175a and fixed in 5.15.7 with commit a4eb55901df1 Issue introduced in 5.15 with commit 9bc95570175a and fixed in 5.16 with commit 59ba1b2b4825 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-2021-47532 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_gpu_devfreq.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/a4eb55901df1dce8c6944438bbdf57caf08911e2 https://git.kernel.org/stable/c/59ba1b2b4825342676300f66d785764be3fcb093