| 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-2024-42123: drm/amdgpu: fix double free err_addr pointer warnings |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/amdgpu: fix double free err_addr pointer warnings |
| |
| In amdgpu_umc_bad_page_polling_timeout, the amdgpu_umc_handle_bad_pages |
| will be run many times so that double free err_addr in some special case. |
| So set the err_addr to NULL to avoid the warnings. |
| |
| The Linux kernel CVE team has assigned CVE-2024-42123 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Fixed in 6.9.9 with commit 8e24beb3c2b08a4763f920399a9cc577ed440a1a |
| Fixed in 6.10 with commit 506c245f3f1cd989cb89811a7f06e04ff8813a0d |
| |
| 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-2024-42123 |
| 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/amd/amdgpu/amdgpu_umc.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/8e24beb3c2b08a4763f920399a9cc577ed440a1a |
| https://git.kernel.org/stable/c/506c245f3f1cd989cb89811a7f06e04ff8813a0d |
