| From bippy-1.1.0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@kernel.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2024-46816: drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links |
| |
| [Why] |
| Coverity report OVERRUN warning. There are |
| only max_links elements within dc->links. link |
| count could up to AMDGPU_DM_MAX_DISPLAY_INDEX 31. |
| |
| [How] |
| Make sure link count less than max_links. |
| |
| The Linux kernel CVE team has assigned CVE-2024-46816 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Fixed in 5.10.237 with commit e2411b6abf6e5d6c33d0450846673cdf536f0ba4 |
| Fixed in 5.15.181 with commit e3cd0d8362de47f613bfdf315b3f3a9ab71e66bf |
| Fixed in 6.1.135 with commit 13080d052c995aee14695a5b740c245121eb2bcc |
| Fixed in 6.6.88 with commit c84632096722fd31251f0957fafc9e90d9a247fd |
| Fixed in 6.10.9 with commit 36c39a8dcce210649f2f45f252abaa09fcc1ae87 |
| Fixed in 6.11 with commit cf8b16857db702ceb8d52f9219a4613363e2b1cf |
| |
| 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-2024-46816 |
| 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/display/amdgpu_dm/amdgpu_dm.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/e2411b6abf6e5d6c33d0450846673cdf536f0ba4 |
| https://git.kernel.org/stable/c/e3cd0d8362de47f613bfdf315b3f3a9ab71e66bf |
| https://git.kernel.org/stable/c/13080d052c995aee14695a5b740c245121eb2bcc |
| https://git.kernel.org/stable/c/c84632096722fd31251f0957fafc9e90d9a247fd |
| https://git.kernel.org/stable/c/36c39a8dcce210649f2f45f252abaa09fcc1ae87 |
| https://git.kernel.org/stable/c/cf8b16857db702ceb8d52f9219a4613363e2b1cf |
